What brand? Can you check your TDS going into the DI? If it's over 6 months, do the filters and resin. Treated correctly - and I know how to NOT treat them correctly - the membrane should last for years.
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RE: ro/di system
What brand? Can you check your TDS going into the DI? If it's over 6 months, do the filters and resin. Treated correctly - and I know how to NOT treat them correctly - the membrane should last for years.
Bill
215g FOWLR... and anemones, GSP, gorgonians... carp, that isn't FO!
"I killed my first SW Fish in 1971..."
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