Ratings may include incentivized customer reviews.
What Customers Are Saying
The ZeroWater filter system receives mixed reviews. Many users praise its ability to effectively filter water and produce clean, great-tasting results. However, a significant number report issues with the filters not lasting as long as advertised, often only 1-2 weeks before the water starts tasting off or the TDS reading rises sharply. Some users also experience a recurring fishy or metallic taste, making the water undrinkable. Overall, the product can be highly effective when working properly, but there are quality control and consistency issues with the filters that undermine the product's reliability.
Customer review summary generated by AI, including incentivized reviews.Zero Water Filters Are the Best!!
Would RecommendZero Water filters are the best! Website is easy to navigate, products are quality, shipping is great. I only drink water filtered by Zero Water filters and have for decades. The 5-Stage filters are a must for me and my family.
From Culligan
Well Made Filters
Would Not RecommendThe replacement filters, the heart of the Zerowater pitcher, are always well-made and do the job well. I have figured out an easier way to replace the filters. Unscrew the old one, which is easy. To attach the new filter, I hold the filter in one hand while the other hand keeps the piece the filter screws into firmly on a clean counter. This makes it easier to screw in the new filter without cross-threading.
From Culligan
Use and recycle
This is a dependable product, esp now that I know I can recycle filters. Thank you.
From Culligan
Best Filters
Would RecommendAbsolutely love the filters. Really makes a difference in the taste of your water and I feel safer drinking my water with the filters.
From Culligan
My search continues
Would Not RecommendThey leak around the screw in part and allow tap water to by pas filter. They are slow to filter. Very very slow.
From Culligan
Zero Water Filters
Would RecommendI love this product. We used it in NJ and still use it here in Florida. They say Florida has the WORST drinking water in the Country, but with Zero Water, it tastes just like water...NOTHING!
From Culligan
Filters arrived not working
We ordered zero water filters from the company website. When they arrived, the label said they were made in Istanbul. The first two filters immediately showed that they tested as reading 094 on the meter supplied by the company.
From Culligan
Your order was placed on Amazon, not zerowater.com. The filters you received are counterfeit, all ZeroWater products are manufactured in Mexico. Not T...
Filters don’t last a week with out water.
Would Not RecommendI have to replace every few days. I get I don’t have city water but I live n a large town. I can’t use your system.
From Culligan
Thank you for contacting ZeroWater. We empathize with your situation and we have spoken with many customers with this issue. Some of our customers hav...
Zero water replacement filters
Would RecommendFilters are great but they don’t always feed neatly. I have had to reapply mine several times to get it to attach to the holder properly. Otherwise, they do their job and we have enjoyed pure water. If this can be corrected, it would be an amazing product!
From Culligan
Thank you for submitting your feedback, your comments will be shared with the appropriate parties.
Filter Quality is bad
I had bought two filters for my ZEROWATER my 7 cup Ready Pitcher pour. One of the two filters was good initially but within a month it started smelling fish.Being a dissatisfied customer I replaced it with the second filter. It has been 34 days and now the filter water is tasting like lemony. I tested with TDS meter. The filtered water show 449. Not sure if the is a quality problem with replacement filters.
From Culligan
In order to avoid a change in the taste of the water it is important to test the water regularly and change the filter when the digital meter reads 00...
Good and tasty water
Would RecommendThis filters are really good. It brings a ppm meter ...and you will be amazed with your discovery
Great taste & piece of mind.
Would RecommendMy family and I have been using this these filters for years. Great water taste with the added safety from lead and other contaminants!
From Culligan
Awful
Would Not RecommendOne filter used to last me months...now I'm lucky if i can get through a month without having to change it because the filter makes my water taste like rotting fish even though it's still showing zero dissolved solids in the water. Buying bottled water would be cheaper at this point. For the price, this is ridiculous.
From Culligan
Thank you for contacting ZeroWater. Please call our Customer Service Team at 800-503-2939 or email customerservice@zerowater.com, we will be happy to ...
Strange citrus flavor develops after 2 weeks
I bought a pitcher plus 3 filters almost 2 months ago and I like the product but I'm on the final filter already. Around the 2-week point of each filter, a strange almost citrus taste develops even though that flavor isn't present in the source water. I'm not sure what volume of water has passed through it at that point but the flavor is strong enough that it's not really drinkable. Which is a shame because the filters seem very effective. Took our 200+ TDS water down to zero.
From Culligan
ZeroWater's Ion-exchange resin filters are a reliable and efficient way to get delicious, filtered water. They work by exchanging ions in the water wi...
Great price
Would RecommendI loved the price and value. It was easier to have it shipped then drive to the store.
Bad filter
Would Recommendthis is the first time I have purchased the filters from this site and when I measured the water content it was at 28!!! Not happy with this site so far...
From Culligan
Thank you for contacting ZeroWater. The most accurate way to get reading is to test the water directly inside the pitcher. You can do this by removing...
Could be better
Would RecommendMy filters only last 2 to 3 weeks before the water is nasty again. It's really disappointing and expensive 😭
From Culligan
Thank you for contacting ZeroWater. We empathize with your situation and we have spoken with many customers with this issue. Some of our customers hav...

Thank you for contacting ZeroWater. From time to time the filter can develop an air lock, some little air pockets or air bubbles that get trapped down...