Customer reviews from aquasana.com
Aquasana - OptimH2O Reverse Osmosis + Clayrum 3-Stage Under Sink Water Filter System with Dedicated Faucet - Chrome
Average customer rating
4.4 out of 5
4.4
(1,471 Reviews)
Open Ratings Snapshot
Rating breakdown 1,471 reviews
5 Stars
958
4 Stars
316
3 Stars
68
2 Stars
56
1 Star
73
88%of customers recommend this product. 
(
941 out of 1,071
)
Best Buy Privacy Policy
Customer Reviews for Aquasana - OptimH2O Reverse Osmosis + Clayrum 3-Stage Under Sink Water Filter System with Dedicated Faucet - Chrome
Customer Rating
2 out of 5
2
Terrible Product
on February 28, 2024
Posted by: Erin C.
from Florida
It would be a great product if it worked. I bought this just over 2 years ago. I’ve replaced the filters regularly and each time has been a frustrating experience. As others have mentioned, the “sumps” have a vacuum seal and are virtually impossible to open. This time has been the worst, though, and is the final straw. (Which is sad because I’ve been a customer for 10 years, I think.) I followed all of the instructions to replace the filters. It worked beautifully for a few hours and then just stopped working. No water flow at all. I’ve now taken it apart seven times and the exact same thing happens… it works for a few hours and then stops. I’m so beyond frustrated! I can’t keep battling with this thing so it’s time to find another system.
Cons: Difficult to install, Not durable
No, I would not recommend this to a friend.
Response from aquasana.comBy Aquasana Customer SupportMarch 5, 2024
Hi Erin,

We are so sorry to hear that you are experiencing some issues with your under counter Max Flow System. We would love to have the opportunity to have one of our agents reach out and assist in identifying what could be causing the issue. We were able to locate your account and will have one of our agents give you a call shortly to assist further assist as we want to ensure you are enjoying fresh filtered water.
Written by a customer while visiting aquasana.com
Customer Rating
5 out of 5
5
great
on March 10, 2024
Posted by: Sallycat
from Florida
Verified Purchase:Yes
Easy to install, great taste and love the quiet, lack of noise!
I originally had purchased the counter top, pump version that is very noisy and drips .
Great purchase.
Pros: No odor, Clean taste, Good Water Flow, Nice faucet, Easy to install
I would recommend this to a friend!
Written by a customer while visiting aquasana.com
Customer Rating
5 out of 5
5
Easy installation and delicious water
on April 13, 2024
Posted by: Dave S
from East Tennessee
Verified Purchase:Yes
The installation was pretty easy and the instructions were clear. No leaks! Water tastes great. So far, so good.
Pros: Clean taste, Good Water Flow, Nice faucet, Easy to install
I would recommend this to a friend!
Written by a customer while visiting aquasana.com
Customer Rating
4 out of 5
4
Easy clean water
on April 26, 2024
Posted by: Krau
from Chicago suburbs
Verified Purchase:Yes
Love the compact size, the freshwater we now have plus the battery reminder and the filters for life to make life easier.
I deducted a star because I was very disappointed in the quality of the faucet. It is very lightweight and does not seem durable. Hoping it holds up.
Pros: Easy to clean, No odor, Clean taste, Long lasting filter, Good Water Flow
I would recommend this to a friend!
Written by a customer while visiting aquasana.com
Customer Rating
4 out of 5
4
Good tasting water
on June 13, 2024
Posted by: Purchase
from Colorado
Verified Purchase:Yes
I’m enjoying the good tasting water. I gave this product a 4 star because I am concerned about the reviews that indicated water damage and leaks.
I have containers under each of the filters.
The handyman that installed for me had to purchase plastic tubing because it didn’t come with the system and he also purchased new O-rings because the ones in the package were old and one broke.
I don’t know if I recommend to others yet.
Pros: No odor, Clean taste, Nice faucet
Cons: Slow pour
Written by a customer while visiting aquasana.com
Customer Rating
2 out of 5
2
Unscrewing the top of the filter
on July 4, 2024
Posted by: Jinwoo
from Burlington, MA
We spent 3 hours to unscrew the filter top but couldn't open it. Also, the upper portion of the filter was not enough spacious to hold my left hand tight. Can't believe how such design is not user-friendly.
Pros: No odor, Clean taste, Good Water Flow
Cons: Filters need replacing too often, Difficult to install
No, I would not recommend this to a friend.
Response from aquasana.comBy Customer SupportAquasana Customer SupportJuly 5, 2024
Thank you for bringing this to our attention. It’s important to us that our customers are more than satisfied and we would like the opportunity to resolve this issue immediately.

If you’re open to discussing your experience further, please message us, and we will work to provide a resolution soon. You may also contact us directly at 866-662-6885 Option 1, Monday through Friday from 8 am-5:30 pm CST, or email us at support@aquasana.com.
Written by a customer while visiting aquasana.com
Customer Rating
1 out of 5
1
Black canister leak
on July 6, 2024
Posted by: Water Steve
from Seattle, WA
The black canister developed a pinhole leak at the bottom. Not good.
Pros: Clean taste
Cons: Slow pour, Filters need replacing too often, Not durable
No, I would not recommend this to a friend.
Response from aquasana.comBy Customer SupportAquasana Customer SupportJuly 8, 2024
Thank you for bringing this to our attention. It’s important to us that our customers are more than satisfied and we would like the opportunity to resolve this issue immediately.

If you’re open to discussing your experience further, please message us, and we will work to provide a resolution soon. You may also contact us directly at 866-662-6885 Option 1, Monday through Friday from 8 am-5:30 pm CST, or email us at support@aquasana.com.
Written by a customer while visiting aquasana.com
Customer Rating
5 out of 5
5
very happy
on October 22, 2024
Posted by: Musician
from Houston TX
Verified Purchase:Yes
Easy installation although I did not use the faucet provided. Water tastes very good
Pros: Clean taste
I would recommend this to a friend!
Written by a customer while visiting aquasana.com
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