Why You Should Invest in a Reliable Water Bottle Filter
In today’s world, the quality of filter water is a growing concern for many people. Many are seeking solutions to access clean and safe water quality on the go. This is where filtered water bottles come in handy, offering a convenient way to purify water wherever you are.
Water bottle is a portable water bottle equipped with a filtration system to remove contaminants and impurities from water. These bottles come in different shapes and sizes, and they have become increasingly popular in recent years due to their convenience and effectiveness in providing clean water.
Water bottle works by using a filtration system to remove contaminants from the water. This filtration system can be made up of various materials, such as activated carbon or ceramic filters, and can remove impurities such as waterborne bacteria, viruses, and chemicals.
Filtered water bottles are a great option for anyone who wants access to clean and safe water on the go. They are especially useful for outdoor activities such as hiking or camping, where access to clean water may be limited. Lucky for you, we have prepared the best filtered water bottle for you to consider and hopefully, would be a great addition to your day-to-day life.
The 9 Best Filtered Water Bottles
1.Epic Water Filters The Outdoor Answer – Editor’s Pick
Epic Water Filters has developed a reputation for creating innovative and high-quality water filtration solutions, and their outdoor answer filtered water bottles are no exception. This bottle is designed to be the perfect companion for outdoor enthusiasts who need access to clean, safe water quality while on the go.
One of the standout features of the Epic Water Filters outdoor answer filtered water bottles is its ability to remove up to 99.99% of contaminants, including waterborne bacteria, viruses, protozoan cysts, and heavy metals like lead and mercury. This is achieved through the use of advanced filtration technology that employs a combination of activated carbon, ion exchange, and ultrafiltration membranes.
The result is water that tastes great and is free from the harmful impurities that can make you sick. Whether you’re hiking, camping, or simply out for a day trip, the Epic Water Filters outdoor answer water bottles ensure that you always have access to clean, safe filter water.
Another great feature of the Epic Water Filters outdoor bottled water is its durability. Constructed from BPA-free Tritan plastic, this bottle is designed to withstand the rigors of outdoor use. It’s also lightweight and easy to carry, making it the perfect solution for anyone who wants to stay hydrated while on the go.
In terms of design, the Epic Water Filters outdoor answer water bottles feature a sleek and stylish look that is sure to appeal to outdoor enthusiasts of all ages. It’s also easy to use, with a simple flip-top cap that allows you to drink from the bottle without having to remove the lid.
Overall, the Epic Water Filters outdoor answer water bottles are an excellent choice for anyone who needs access to clean, safe water while enjoying the great outdoors.
Its advanced filtration technology, durability, and ease of use make it possibly some of the best filtered water bottles on the market today. So, whether you’re planning a hike, a camping trip, or simply a day out in the sun, be sure to bring along an Epic Water
2. Clearly Filtered Insulated Stainless Steel Filtered Water Bottle
For those who prioritize sustainability and clean water, Clearly Filtered offers a unique solution with their Insulated Stainless Steel Filtered Water Bottle. This bottle features advanced filtration technology that removes harmful contaminants from water sources, while also keeping drinks cold for up to 24 hours.
The water bottle from Clearly Filtered is designed for individuals who value their health and the environment. The advanced filtration system is capable of removing up to 99.9% of contaminants from water sources, including bacteria, parasites, heavy metals, and pesticides.
The filtration technology is also tested to meet NSF/ANSI standards, ensuring the quality of the water you drink.
This water bottle is perfect for those who are always on the go, as it provides safe, clean filtered water wherever you are. Its vacuum-sealed, double-walled construction keeps drinks cold for up to 24 hours, making it perfect for outdoor activities, gym workouts, and long commutes.
Its stainless steel construction is also durable and eco-friendly, eliminating the need for disposable plastic bottles.
The Insulated Stainless Steel Filtered Water Bottle from Clearly Filtered is also easy to use and maintain. The filter is replaceable, allowing the bottle to provide clean filtered water for up to 100 gallons. The bottle is also easy to clean, with a wide mouth opening that allows for easy access
3.Water-to-Go Filtered Bottle – Great Pathogen Removal
For those who are always on the go and want to ensure that they have access to clean pure water, the Clearly Filtered Insulated Stainless Steel Filtered Bottles have often been labeled as the best filtered water bottle.
This innovative product combines the convenience of a water bottle with the power of a high-quality water filter, making it perfect for outdoor enthusiasts, travelers, and anyone who wants clean water at their fingertips.
These filter bottles feature a double-walled, vacuum-sealed design that keeps drinks cold for up to 24 hours and hot for up to 12 hours. The bottle is made of high-quality stainless steel, ensuring that it’s durable and can withstand the wear and tear of daily use. Its 20-ounce capacity makes it perfect for daily use or long hikes and outdoor adventures.
What sets this product apart from other water bottles is its advanced filtration system. The Clearly Filtered Insulated Stainless Steel Filtered Water Bottle uses a patented filter that removes up to 99.99% of harmful contaminants from water sources.
This includes chlorine, lead, pesticides, and other impurities that can be found in tap water or natural sources like streams and lakes.
The filter is also replaceable and lasts for up to 100 gallons of water, making it a cost-effective and eco-friendly alternative to disposable plastic water bottles. The bottle also features a leak-proof cap and a wide mouth for easy drinking and cleaning.
These filter bottles have received numerous positive reviews from satisfied customers, with many praising its effectiveness in removing impurities and its durable construction. The product has also been featured in some of the best filtered water bottles by leading outdoor publications, including Gear Patrol and Outside Online.
In conclusion, if you’re looking for durable and effective water filter bottles, the Clearly Filtered Insulated Stainless Steel filter bottles are an excellent choice. Its advanced filtration system, high-quality construction, and long-lasting filter make it a top performer in its category.
4. GRAYL UltraPress – Long Filter Life
For adventurers who are looking for high-quality water filter bottles that are easy to use and durable, the GRAYL UltraPress is an excellent option to consider. This innovative product is designed to provide drinking clean water in seconds, making it perfect for those on the go who don’t want to compromise on the quality of their drinking water.
The GRAYL UltraPress features a sleek and compact design that makes it easy to carry in a backpack or attach to a belt loop. The bottle is made of durable materials, including stainless steel and BPA-free plastic, ensuring that it can withstand the rigors of outdoor activities. Its 16-ounce capacity makes it perfect for daily use or short hikes and outdoor adventures.
What sets this product apart from other filter water bottles is its advanced filtration system. The GRAYL UltraPress uses a unique filter that removes up to 99.99% of viruses, bacteria, and protozoan cysts, including E. coli and salmonella, from water sources.
This includes tap water or natural sources like streams and lakes. The filter also removes impurities, such as heavy metals and chemicals, leaving you with clean, great-tasting drinking water.
The filter is also replaceable and lasts for up to 300 uses, making it a cost-effective and eco-friendly alternative to disposable plastic water bottles. The bottle features a patented design that allows you to push the filter beneath into the water to activate it, ensuring that you have clean drinking water in seconds.
The GRAYL UltraPress has received numerous positive reviews from satisfied customers, with many praising its ease of use and effectiveness in removing impurities from water sources. The product has also been featured in best filtered water bottle reviews by leading outdoor publications, including Men’s Journal and Backpacker Magazine.
If you’re looking for a reliable and effective filtered water bottle with a long filter life, the GRAYL UltraPress is an excellent choice. Its advanced filtration system, durable construction, and ease of use make it a top performer in its category.
5. CrazyCap – Good UV Filter
The CrazyCap is a highly-rated water filtered bottle that has received positive reviews from customers and critics alike. This product is designed to remove contaminants from water sources, ensuring that you have access to clean drinking water wherever you go. It’s perfect for outdoor activities, travel, and everyday use.
The CrazyCap features a compact and lightweight design, making it easy to carry in a backpack or purse. Its filtration system is built into the cap, and it uses advanced technology to remove harmful contaminants from water sources. The filter can remove up to 99.99% of viruses, bacteria, and protozoa, as well as chemicals, heavy metals, and microplastics.
What sets the CrazyCap apart from other water bottle filters is its simplicity. To use the bottle, all you need to do is fill it up with water, press down on the cap, and the filtration process will begin. The bottle can filter up to 24 ounces of water in just 8 seconds, making it one of the fastest and most efficient water bottle filters on the market.
CrazyCap has received numerous positive reviews from customers, with many praising its effectiveness in removing contaminants from water sources. The product has also been featured in best filtered water bottle reviews by leading outdoor publications, including Backpacker and Adventure Junkies.
In addition to its filtration capabilities, the CrazyCap is also made of high-quality materials that are designed to last. The bottle is made of durable stainless steel, and the cap is made of BPA-free plastic. It’s also dishwasher safe, making it easy to clean and maintain.
If you’re looking for a fast, efficient, and reliable filter type, CrazyCap is an excellent choice. Its advanced filtration system, simplicity, and durable construction make it a top performer in its category.
6. LifeStraw Go Water Filter Bottle – Eco-Friendly Option
The LifeStraw Go Water Filter Bottle is a portable water bottle with a built-in filter that removes up to 99.9% of waterborne bacteria and protozoan parasites, making it safe to drink from almost any water source.
One of the unique features of this water bottle is its filter technology, which uses a hollow fiber membrane filter that traps contaminants as water passes through. This filter is capable of removing bacteria and parasites, including E. coli and Giardia, which are common causes of waterborne illness.
The LifeStraw Go Water bottle filter is also eco-friendly, as it reduces the need for single-use plastic water bottles. It’s made of durable, BPA-free materials that are both lightweight and easy to carry.
Another great feature of this water bottle is its design, which includes a leak-proof lid and a flip-top bite valve for easy drinking. The bottle also comes in a variety of colors, so you can choose one that matches your style.
When it comes to maintenance, the LifeStraw Go Water Filter Bottle is easy to clean and requires little upkeep. The filter can be used for up to 1,000 liters of water before needing to be replaced, and the bottle itself can be washed with soap and water.
Overall, the LifeStraw Go Water bottle filter is an excellent choice for anyone looking for a portable and convenient way to access clean water. Its innovative filter technology, eco-friendly design, and ease of use make it one of the best options for filtered water bottles.
7. Brita 23.7 Ounce Hard Sided Water Bottle with Filter – Odor Removal
For those looking for a reliable filtered water bottle that is perfect for everyday use, the Brita 23.7 Ounce Hard Sided Water Bottle with Filter is an excellent choice. This bottle is designed to filter out impurities and contaminants from tap water, giving you clean and refreshing water anytime, anywhere.
The Brita 23.7 Ounce Hard Sided Water Bottle with Filter features a BPA-free hard plastic exterior that is durable and impact-resistant, making it ideal for active individuals who are always on the go. It also has a convenient carrying loop that makes it easy to take with you wherever you go.
The bottle’s filter is capable of removing chlorine, copper, mercury, and other common impurities from tap water, providing you with clean and great-tasting water every time you take a sip. The filter is replaceable, so you can continue using the bottle for months without worrying about the quality of your water.
Another great feature of the Brita 23.7 Ounce Hard Sided Water Bottle with Filter is its easy-sip straw. This allows you to drink from the bottle without having to tilt it, making it perfect for activities like running, hiking, or biking. The straw is also removable and can be washed separately, ensuring that your water always tastes fresh and clean.
In terms of maintenance, the Brita 23.7 Ounce Hard Sided Water Bottle with Filter is easy to clean and maintain. The bottle and the filter can be washed with soap and water, and the filter should be replaced every forty gallons or approximately every two months, depending on usage.
Overall, the Brita 23.7 Ounce Hard Sided Water Bottle with Filter is an excellent choice for anyone looking for a reliable and convenient filtered water bottle for everyday use. Its durable design, effective filtration system, and easy-sip straw make it a top choice for active individuals who want clean and refreshing water at all times.
8. Sport Berkey Water Bottle – Most Durable Choice
If you are looking for a high quality water purification bottle, the Sport Berkey Water Bottle is made of high-quality stainless steel that is both durable and lightweight. It is designed to be portable, making it easy to take with you wherever you go.
The bottle also features a sports cap that allows you to drink from it easily without spilling, making it ideal for active individuals who are always on the move.
The bottle is equipped with a powerful filtration system that can remove up to 99.9% of impurities and contaminants from water.
The filtration system uses a unique combination of ion exchange, adsorption, and microfiltration technologies to remove bacteria, viruses, heavy metals, and other harmful substances from water, ensuring that you always have clean and safe drinking water.
One of the best features of the Sport Berkey Water Bottle is its long-lasting filter. The water filtration bottle can purify up to 100 gallons of water, which means you can use the bottle for months without having to replace the filter.
The filter is also easy to clean and maintain, which makes it a cost-effective solution for those who want to have clean and safe drinking water while on the go.
In addition to its filtration capabilities, the Sport Berkey Water Bottle is also designed for portability and convenience. It’s lightweight and compact, making it easy to carry with you on hikes, camping trips, or other outdoor activities.
It also comes with a handy carrying strap that you can attach to your backpack or belt, allowing you to have easy access to water whenever you need it.
The Sport Berkey Water Bottle is also a cost-effective option for those looking to save money on bottled water. By filtering your own water, you can avoid the expense of buying single-use plastic water bottles and reduce your carbon footprint.
9. Sawyer Products Personal Water Bottle – High Capacity for Filter
This water purification bottle is designed with a high-performance filtration system that removes up to 99.9999% of bacteria and protozoa from water, making it safe to drink even from questionable sources.
One of the most significant advantages of the Sawyer Products Personal Water Bottle Filter is its filtration system. The bottle uses a special filter made of hollow fiber membrane technology, which is highly effective at removing impurities and contaminants from water.
The filter is also designed to last for up to 100,000 gallons, making it a cost-effective and long-lasting choice.
Another advantage of the Sawyer Products Personal Water Bottle Filter is its convenience and portability. The bottle is lightweight and easy to carry, making it perfect for hiking, camping, and other outdoor activities. It also has a convenient flip-top drinking straw, allowing you to drink directly from the bottle without having to remove the lid.
The Sawyer Products Personal Water Bottle Filter is also easy to use and maintain. The bottle is made of durable BPA-free plastic and has a capacity of 34 ounces, providing ample hydration for even the most active individuals. The filter can be easily cleaned by backwashing it with clean water, and filter changing is incredibly easy and effortless.
In addition to its filtration capabilities, the Sawyer Products Personal Water Bottle Filter is also an eco-friendly choice. By using a filtered water bottle, you can reduce your carbon footprint and avoid the expense and environmental impact of single-use plastic water bottles.
What is a Filter Water Bottle?
Water purification bottle, also labeled as a water purifying bottle, is a convenient and portable way to enjoy clean and safe drinking water. These bottles feature an integrated filtration system that reduces any unwanted contaminants from the tap or natural water sources, making it safe to drink.
Water purification bottles come in a variety of sizes, shapes, and designs. Some are made of durable materials like steel, while others are made of lightweight and flexible plastics. They are easy to use and can be refilled multiple times, making them a more sustainable alternative to single-use plastic water bottles.
How Do Filtered Water Bottles Function?
There are essentially 2 types of filtered bottles as follows:
- Water bottle which filter water as you are filling it up
- Water bottle which filter water as you are drinking
These water purification processes work on an identical basis where the water starts by flowing into the filter media either as you are filling it up or drinking from it then the filter would trap any sort of impurities and ensure the water is clean and safe to drink.
Types of Filters
There are various types of filters used in water filtration bottles, including carbon filter, ceramic, and UV light.
Carbon filter is one of the most common types of filters used in water bottles. They are made of a porous material that traps impurities and contaminants such as chlorine, bacteria, and chemicals. Carbon filter is an effective at removing bad taste and odor from water, making it more palatable.
Ceramic filters are another type of filter used in water filtration bottle. They are made of a porous ceramic material that filters out bacteria, protozoa, and other microorganisms. Ceramic filters are also effective at removing sediment and particles from water, making it clearer and more visually appealing.
UV light filters are a relatively new type of filter used in water bottles. They use ultraviolet light to kill bacteria and other microorganisms in water. UV light filters are effective at removing harmful bacteria and viruses, making them a good choice for those traveling to areas where waterborne illnesses are a concern.
The Filtration Process
Activated carbon filters are a common type of filtration method used in water bottle. They work by using a porous material, such as activated carbon, to trap impurities and contaminants like chlorine, sediment, and bacteria. Carbon filter is effective at improving the taste and odor of water, making it more palatable.
Ion exchange filters are another type of filtration process used in water bottles. These filters work by using resin beads to exchange ions in the water, removing heavy metals like lead and mercury. Ion exchange filters are also effective at reducing water hardness, which can cause scale buildup in appliances and plumbing.
Reverse osmosis is a more advanced filtration process used in some best filtered water bottles. This process uses a semipermeable membrane to remove contaminants from water, including bacteria, viruses, and chemicals. Reverse osmosis filters are highly effective at producing clean and safe drinking water, but they are more expensive than other types of filters.
As such, it is crucial to fully understand the mechanisms and the types of filter you are getting yourself into before actually purchasing.
Contaminants Removal by Water Purifier Bottles
Here are some common contaminants that can be removed by water purifier bottles and their removal efficiency:
- Bacteria: Water purifier bottles can remove up to 99.9999% (or 6-log) of bacteria, including E. coli and Salmonella.
- Protozoa: Water purifier bottles can remove up to 99.9% (or 3-log) of protozoa, including Giardia and Cryptosporidium.
- Viruses: Some water purifier bottles can remove up to 99.99% (or 4-log) of viruses, including Hepatitis A and Norovirus.
- Chemicals: Activated carbon filters in water purifier bottles can remove many chemicals, including chlorine, pesticides, and herbicides.
Advantages of Filtered Water Bottles
The best water bottle has become increasingly popular due to its numerous advantages over traditional water bottles. Here are some of the top advantages of this best filtered water bottle:
This type of water bottle is more cost-effective than traditional bottled water. Rather than continuously purchasing bottled water, you can refill your filtered water bottle from any source of water, whether it is from a faucet, a fountain, or a stream.
This not only saves you money, but it also reduces your carbon footprint by reducing the amount of plastic waste you generate.
Filtered bottled water is incredibly convenient for people who are always on-the-go. You can easily carry them with you to work, school, the gym, or any outdoor activity, and refill them as needed. You don’t have to worry about running out of water or finding a source of clean water, as long as you have your filtered water bottle with you.
If convenience is what you’re after, do check out our review on the Top Portable Water Filters money can buy.
Filtered bottled water provides a healthier alternative to traditional bottled water, which may contain chemicals and other contaminants. The filtration systems in these bottles remove impurities, bacteria, viruses, and other harmful substances from water, making it safer and healthier to drink.
By using a filtered water bottle, you can help reduce the amount of plastic waste that ends up in landfills and oceans.
Traditional bottled water contributes to the growing problem of plastic pollution, which harms marine life and the environment. By switching to a reusable filtered water bottle, you can help reduce your environmental impact and promote sustainability.
Water purification bottles can significantly improve the taste of tap water by removing chlorine, sediment, and other impurities that affect its taste and odor. This makes it more enjoyable to drink and encourages people to drink more water, which is essential for maintaining good health.
Disadvantages of Filtered Water Bottles
While water purification bottles have many benefits, there are also some disadvantages that users should be aware of. Here are some of the top disadvantages of this water filtration:
The filtration systems in some water filtration products may not be as effective as other types of water filters, such as those found in home filtration systems. This can result in limited filtration of some contaminants, such as heavy metals or certain chemicals, which can potentially pose health risks.
Filtered water bottles require regular replacement of the filters to maintain their effectiveness. The replacement schedule can vary based on the type of filter and usage, and can be an additional cost to the user.
Water bottles typically have limited capacity, which can be a disadvantage for users who require large amounts of water. This can be especially challenging in situations where a reliable source of clean water is not readily available.
Maintaining a filter water bottle can be time-consuming and require a certain level of upkeep. This includes cleaning the bottle and filter, as well as regularly replacing the filters.
Water filter bottles can be more expensive than traditional bottled water or reusable water bottles without filtration systems. This may discourage some users from purchasing them, especially if they do not see the value in the added filtration.
Factors to Consider When Buying a Filtered Water Bottle
When looking to purchase a filtered water bottle, there are several factors to consider to ensure you choose the right one for your needs. Here are some of the most important things to consider:
Different filtered water bottles use different types of filtration technologies, such as activated carbon filter or membrane filter. Consider what types of contaminants you want to remove from your water and choose a filtration technology that is effective for those contaminants.
The filtration capacity of a filtered water bottle refers to how much water it can filter before the filter needs to be replaced. Consider how much water you will be using the bottle for and choose a filtration capacity that meets your needs.
Consider the durability of the filtered water bottle you are considering. Look for bottles made from durable materials such as stainless steel or high-quality plastic that can withstand daily use and frequent refills.
Size and weight
Filtered water bottles come in a range of sizes and weights, so consider how portable you need your bottle to be. If you plan to carry your bottle with you frequently, a lighter, smaller option may be more convenient.
Filter bottle varies in price, so consider your budget when choosing a bottle. Keep in mind that while some more expensive models may offer additional features, you can still find a high-quality filtered water bottle that fits within your budget.
Look for water filter bottles from reputable brands that have a track record of producing high-quality, effective products. Check online reviews and ratings to see what other users have experienced with different brands and models.
Consider the cost and availability of replacement filters for the filtered water bottle you are considering. Some filters may be harder to find or more expensive than others, so factor this into your purchasing decision.
By considering these factors when purchasing filtered water bottles, you can ensure that you choose a high-quality, effective product that meets your needs and budget.
Features to Look For in a Water Purifier Bottle
When shopping for a water purifier bottle, there are several key features to look for to ensure you get the best product for your needs. Here are some of the most important features to consider:
Look for a water purifier bottle that uses advanced filtration technology to remove a wide range of contaminants from your water. Common types of filtration technology include activated carbon filter, UV light, and membrane filters.
Look for a water purifier bottle made from durable materials such as stainless steel or high-quality plastic. This will ensure that the water bottle can withstand frequent use and accidental drops.
Ease of use
Look for a water purifier bottle that is easy to use and requires minimal maintenance. Some bottles may require regular filter replacements or cleaning, so consider how much time and effort you are willing to put into maintaining your bottle.
Filtered Water Bottle Upkeep
Many filtered water bottles require maintenance work where you would be required to change the filter once every two months or using forty gallons of water. But of course, this is just a rough estimate and you may have to replace your filter sooner than that but like we said, it really depends.
We are sure almost every adult is able to clean your water filter bottles as they are an incredible simple task. For this, you would just have to twist the lid of your filtered bottle open and proceed to take out the straw. Once you have removed the straw, continue by unclipping or unscrewing your filter and proceed to place it aside.
Subsequently, you could place the filtered bottle in soapy water. A useful tip would be to place your filtering water bottle in warm temperature soapy water to allow the ease of cleaning with your sponge.
For those users of the filtering water bottle which has a dishwasher, simply just check if your filtered bottle is dishwasher safe through the manual guide or read online reviews of the self filtering water bottle to know for sure. This is crucial to prevent your filter lifespan to be safeguarded and prevent any unnecessary wear and tear.
Frequently Asked Questions (FAQs)
Can I place my water bottle in the freezer?
No, please restrain from placing your water bottle in the freezer for whatever reasons. This is because when your filter is frozen, the membrane within becomes broken and needs to be replaced. In other words, your water bottle no longer serves its purpose and you would have to spend additional money to replace your bottle.
Is my water bottle dishwasher friendly?
Well, this depends. Most often than not, majority water bottles will indicate if it is dishwasher friendly in their labelling. Due to the advancement of technology, most of the filtered bottles are designed to be dishwasher safe but always follow the specific guidelines given by your manufacturer to avoid any mishap.
For instance, certain manufacturers would recommend you to place your water bottle on the top shelf of your dishwasher to prevent any unwanted damage.
It is important to remember to remove the filter from your bottle before proceeding to place it into the dishwasher. As for the filter, you could simply clean your filter by rinsing it under a steady flow of water from your tap in the kitchen.
Can water filter bottles make river water safe to drink?
Well, this is depending on the capability of the filter in the bottle that you have purchased. This is because different types of filter are capable of removing certain contaminants only. For instance, some filters are great in removing any sort of microorganisms that are commonly found in the river water such as bacteria and viruses.
However, some filters are only capable of removing chemical contaminants such as chlorine which includes its taste and odor.
Not to worry, there are plenty of these type of water bottles that exist and they are mostly labeled as water bottle fit for traveling. Not to forget, always read product reviews, product descriptions and speak to a sales staff if your would like to learn more about a particular type of filter.
Once you have done so, and you are still facing doubts then you can simply get in touch with a manufacturer directly through a phone call, email or in person to have a better understanding of the filter being offered.
Will my filter dry out if I do not use it every day?
Definitely not. The carbon filter of the water purifying bottle is manufactured to filter water hence it will not be damaged or dry out if it is merely exposed to air. Similarly, there is no difference if you choose to submerge your filter in water between uses.
When do I know to change my filter?
Well, this may require experience or maybe a little research because it may be difficult to pinpoint when exactly you would require to change your filter. However, a useful tip would be to remember the date your filter was last changed. With this, you are able to track it easily and ensure it is changed after two months of usage.
However, if you are starting to notice that the flow of water from your filter is not as efficient as before then this could be a good indicator that your filter may be cluttered with contaminants and require a replacement of the filter. Besides that, you will notice that the water is not as clear and clean as before. You might even notice a foul smell.
Why is there no water coming out from my straw?
This would require filter troubleshooting as there could be various reasons for such an occurrence.
Some water filter bottles are made to be held underneath your mouth so you could easily suck up through the straw, rather than tilting your head backward and trying to drink with the bottle at an odd and uncomfortable angle.
Other than that, you may also find the flow of water is rather slow especially if the filter is damaged or clogged with contaminants. Plus, you should monitor the extent of your usage hence, if you are using it on a daily basis and have relatively heavy usage then you might need a replacement filter sooner than you expected.