NEWS
Viomi V6, Viomi V6 PRO, Viomi V8, and Viomi V8 PRO Filters: How to Buy the Right Replacement
Identify your system in two steps before you order anything: first decide whether it is a PRO model, then whether it is the 600 GPD or 800 GPD version. If you only need a PCB cartridge, the first answer is...
600 vs. 800 vs. 1000 GPD RO Systems: Pot-Fill Times and What Cold Water Changes
Filling a gallon (128 oz) of water for pasta or soup takes about 2 minutes 25 seconds on a 600 GPD 9-stage tankless RO system, about 1 minute 48 seconds on an 800 GPD system, and about 1.5 minutes on...
Test dispensing and the automatic flush separately. On a tankless RO system the booster pump runs while the system makes water, and on the Viomi V6 PRO and Viomi V8 PRO the scheduled flush runs with the pump off, so...
What to Test in the First Week After Installing a 9-Stage RO System
Use the first week to test eight things: the initial flush, leaks at every fitting, tap and purified TDS, the time to fill a known volume, taste, pump and automatic-flush sounds, app pairing and filter-life display, and inlet water pressure...
Does a Third-Party Replacement Cartridge Change Your RO System's Certification Claims?
It does whenever the replacement cartridge falls outside what the system's certification documents cover. A certification covers the system together with the replacement cartridges identified in those documents, so once a cartridge outside that coverage goes into the housing, the...
Are There Reviews Comparing Different Water Filter Brands?
Reviews comparing water filter brands exist in abundance, but they split along category lines rather than forming one master ranking. A pitcher filter and a whole-house system solve different problems, use different test methods, and get evaluated by different organizations,...
Which Reverse Osmosis Filter Brands Are Actually Reliable?
Several reverse osmosis brands hold up across every check that actually defines reliability: a company stable enough to still be selling parts in five years, certifications backed by a named lab rather than a logo on a box, a warranty...
How Do the Leading Water Filter Brands Compare?
A pitcher filter and a whole-house system solve completely different problems, so stacking Brita against SpringWell in one ranking doesn't actually tell you much. The comparison that matters happens inside each product category: pitchers against pitchers, under-sink RO systems against...
Reverse Osmosis System Cost Comparison: APEC, iSpring, Culligan, and Viomi
Sticker price is the worst single predictor of what a reverse osmosis system costs to own. Within a single brand's own lineup, the more expensive model can end up with the lower annual filter bill, simply because its membrane is...