Quote:
Originally Posted by Aquattro
You will get residual salt crystals, but the brown sludge, I found, comes from a dirty RO membrane. I did a flush of mine and the next barrel was very clean.
The normal back flush doesn't get much of the crud out, I did a "special" version of back flush and washed mud out of my membrane.
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That would make sense, I dont have a tds meter but my RO membrane is at least a couple years old and I havent flushed it that much. I picked a new membrane up from blue world but it was the wrong size for my puratek 75gpd unit. Mine is alot smaller and sits horizontal above the prefilter/carbon. Id like to try the "secret flush", Im just taking out the the pre/carbon filter and flushing as usual? I dont quite understand?
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- 33 Gal - 20Gal Sump, MP10/Hydor Powerheads, Aquaticlife 4x T-5HO, Vertex IN100, TLF w/Biopellets, Tunze ATO
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