RO membrane replacement

jcarlilesiu

jcarlilesiu

Active member
Anybody have a good source for RO replacement membranes? I have the coralife pure-flo II system. Starting to see some cynobacteria popping up and I think its about time.

They are pricey, so just curious if anybody had a good place to pick one up on the cheap.
 
So I calculated that I have ran about 2000 gallons of water through the original RO system.

I have never replaced anything. I just ordered the new membrane from your suggestion, but should I be replacing the charcoal and micron pre-filters yet?
 
I use an in-line TDS meter to test when I should be replacing. The membrane I let go for a while and flush it every so often with the flush kit, but if the output from there gets to around 20 or so I replace all three pre-membrane filters, and if the output from the DI cartridge gets above 5 or 6 I replace that.
 
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