I've installed the smart buddie 150 GPD version with two NEW 75 GPD Dow membranes, run in parallel.
After over 24 hrs of running, I get 13 TDS, even tho my tap water TDS is 310.
The booster pump is pushing about 75 PSI into the membranes.
Paradoxically, my old 100 GPD membranes in this parallel...