Resources

Many buyers use “RO membrane” and “RO filter” as if they mean the same thing. They don’t. Understanding the RO membrane vs RO filter difference helps you diagnose problems, buy the right…

RO membrane troubleshooting starts with one question: is the drop in performance coming from the membrane itself, or from something upstream? Most RO systems that produce slow water, high permeate TDS, or…

RO membrane maintenance keeps your reverse osmosis system producing clean water efficiently for longer. Regular performance checks, proper cleaning, correct storage, and good pretreatment help prevent fouling, scaling, and premature membrane failure.…

RO membrane replacement is necessary when the membrane can no longer reject dissolved solids at an acceptable rate, when flow drops significantly, or when the membrane reaches the end of its typical…

How long does an RO membrane last? Most reverse osmosis membranes last 2 to 5 years before they need replacement. That range isn’t arbitrary. It reflects how fast a membrane fouls, scales,…

RO membrane pressure is the feed-water pressure needed to push water through a reverse osmosis membrane and separate it from dissolved solids. Most residential systems need at least 40–60 psi to run…

How does an RO membrane work? An RO membrane works by pushing pressurized feed water through a semipermeable barrier that allows water molecules to pass while blocking dissolved salts, minerals, and many…

If your reverse osmosis system’s water still tastes salty, or your TDS meter reads higher than expected, the problem usually traces back to one number: the RO membrane rejection rate. This single…

If you’re replacing an RO membrane, one question matters more than any other: what RO membrane size fits your system? Get the size wrong, and the membrane simply won’t seal into your…

If you’re comparing 50 GPD vs 75 GPD RO membranes, you may also be wondering whether a 100 GPD membrane is a better choice. The right option depends on your water pressure,…

Shopping for a replacement membrane, you have probably seen labels like “75 GPD” or “100 GPD” stamped on the box. These numbers look simple, but they confuse a lot of buyers. Does…

If you have ever shopped for a replacement filter, you already know not every RO membrane is the same. Some are built for a kitchen countertop unit. Others are built to push…