How to Identify Your Reverse Osmosis Membrane

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Aquaman explains how you can easily identify what membrane you need for your reverse osmosis system. If you don't know the model # of the system and you don't have a manual, you will need to remove the RO membrane from the membrane housing. nearly all RO membranes have a label that is only visible if removed from the membrane housing. It's easy to do, and Aquaman will walk you through the process in this helpful video. Aquaman is a Water Quality Association Certified Water Specialist. His training and experience have given him a deep understanding of water chemistry and water purification equipment. This enables him to provide scientifically accurate information that you can trust!
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[@Tier1Water]

Hey Roger, I'm not sure I understand your question, but I can tell you that no filter or RO system within reach of the average home owner removes 100% of any contaminant, and certainly not Fluoride which is especially difficult to deal with. The most economical method is reverse osmosis, but if you want to preserve the minerals (not sure why?? Please tell me you don't believe the myth that demineralized water is bad) you could use an activated alumina filter cartridge, but they are expensive.

[@Tier1Water]

@frank0067 That's a tall order for under $200. What you are asking for is more like $300, and probably will require the aftermarket addition of a calcite filter for the remineralization. It may exist as a pre-packaged system, but I've never seen one.

[@dominicviscusi8829]

do you have to empty the tank to add air to the tank

[@DdDten]

So it’s fine to follow this instruction to identify the membrane and then reverse instructions and still have a working system until the replacement filters come?

[@Tier1Water]

Yes, that should work. Just be sure to keep the membrane and housing clean and well-lubricated with food grade silicone lubricant.

[@millo1143]

why do i need a membrane? can i use the system without one?

[@Tier1Water]

All reverse osmosis systems need a reverse osmosis membrane - they provide the "reverse osmosis" filtration which filters out the bulk of the contaminants.