10 Best Countertop Reverse Osmosis Systems in 2025 (Lab-)Tested + Reviewed

Sara reviews the 10 most promising and most popular countertop reverse osmosis systems on the market.

Google sheet with full analysis of each of the 10 countertop ROs including lab reports: https://docs.google.com/spreadsheets/...
If the above link doesn't work, please try this shortened link: https://bit.ly/countertop-RO

System Recommendations

1️⃣ Best Overall: AquaTru Classic
→ Buy Here (Deal 1 – Incl. Free Replacement Filter Set!): → https://waterwellness.pxf.io/9LgyXY – Use Code “BOSAQUATRU” for an Additional 15% Off!
→ Buy Here (Deal 2 – New – $100 Off!): → https://aquatruwater.com/product/coun... – No Code Needed. $100 Discount Already Applied With Link!

2️⃣ Best Budget Pick: AquaTru Carafe
→ Buy Here (New Deal – $100 Off!): https://aquatruwater.com/product/cara... – No Code Needed. $100 Discount Already Applied With Link!

3️⃣ Best for Hot Water: NU Aqua 4-Stage Countertop Reverse Osmosis System and APEC ROCT-PLUS
→ Buy NU Aqua 4-Stage Here: https://nuaquasystems.com/products/nu... – Use Code “BOSWATER” for 5% Off!
→ Buy APEC ROCT-PLUS Here: https://amzn.to/3SUfwxR

4️⃣ Honorable Mention: Bluevua RO100ROPOT
→ Buy Here: https://amzn.to/3SSMPkU

Other Countertop ROs Mentioned

Waterdrop C1H → Buy Here: https://www.waterdropfilter.com/produ... – Use Code “WD10BOS” for 10% Off!
Waterdrop A1 → Buy Here: https://www.waterdropfilter.com/colle... – Use Code “WD10BOS” for 10% Off!
Frizzlife WB99-C → Buy Here: https://www.frizzlife.com/collections... – Use Code “BOSWB2410” for $120 Off!
Crystal Quest Countertop Thunder → Buy Here: https://crystalquest.com/products/cou... – Use Code “BOS5OFF” for 5% Off!
SimPure Y7P-BW → Buy Here: https://www.simpurelife.com/products/... – Use Code “SPY7P” for 20% Off!

Table of Contents
00:00 – Intro
00:27 – Our 10 Countertop ROs
01:15 – How We Tested & Rated
04:23 – System Setup & Filter Priming
04:38 – Sampling Process
05:41 – Lab Testing Disclaimer
06:07 – Taste & Odor Test
06:28 – Speed Test
07:05 – Pure-to-Drain Ratio Test
07:31 – Best Overall (AquaTru Classic)
10:49 – Best Budget Pick (AquaTru Carafe)
12:30 – Best for Hot Water (NU Aqua & APEC)
15:30 – Honorable Mention (Bluevua)
16:00 – Summary

How we tested and ranked the 10 countertop RO systems:

-Contaminant reduction rates achieved in our lab testing
-NSF certifications/testing
-Filter process
-Water taste & odor
-Usability
-Pure-to-drain ratio
-Costs
-Other factors

Our website: https://www.best-osmosis-systems.com

Some of the products that appeared in this video were provided to us for free. All opinions are still 100% our own. Some links are affiliate links. If you buy a product or service through such a link we earn a commission at no additional cost to you.
Amazon disclosure: As an Amazon Associate I earn from qualifying purchases.

Link to disclaimer policy: https://www.best-osmosis-systems.com/...

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