RO Membrane Logic
27 articles
Why Your RO Water Tastes “Metallic” (Post-Filter vs. Tank Issues)
When pure water from a reverse osmosis system develops a sharp, metallic, or bitter taste, it…
Diagnostic: “Fast” RO Production (The Sign of a Ruptured Membrane)
Reverse osmosis is a slow, high-resistance separation process. If an RO system suddenly fills a storage…
How to Sanitize an Off-Grid RO Storage Tank Without Damaging the Bladder
Off-grid reverse osmosis systems are vulnerable to bacterial colonization. Because rain catchment, cistern, and shallow-well water…
How to “Surgically” Clean an RO Membrane (Is it Worth the Effort?)
When a reverse osmosis membrane loses production capacity or its rejection rate drops, off-grid homeowners and…
Why Your RO System Vibrates During the Production Cycle
A reverse osmosis (RO) system that shudders, buzzes, or rattles your under-sink plumbing during water production…
Troubleshooting Low Pressure at the RO Faucet (Bladder Tank vs. Filter)
Low flow or weak pressure at the reverse osmosis dispensing faucet is among the most common…
The “Air Gap” Faucet Gurgle: Diagnosing Drain Line Backpressure
That persistent, loud gurgling, sucking, or bubbling noise coming from your sink-mounted reverse osmosis faucet is…
Diagnostic: Is Your RO Check Valve Leaking Back into the Membrane?
The permeate check valve is one of the smallest components in a reverse osmosis system, but…
Identifying a “Blown” RO Membrane: Chlorine Damage vs. Scaling
A reverse osmosis (RO) membrane is considered “blown” or failed when it can no longer separate…
Why Your RO Waste Ratio is 10:1 (Diagnosing Flow Restrictor Clogs)
An imbalanced reverse osmosis (RO) system that dumps ten gallons of water down the drain for…
How to Test RO Membrane Rejection Rate with a TDS Meter
Testing your reverse osmosis membrane rejection rate ensures your off-grid water supply remains free of heavy…
Troubleshooting Non-Electric Permeate Pumps: The “Heartbeat” Diagnostic
A complete lack of clicking or an irregular rhythmic cycle from an inline non-electric permeate pump…