Hello, I've got a DIY RO setup that I put together and I am starting to wonder if I am running it correctly.
I have the aquatec 8800 pump, filter and 4 100gpd membranes.
It takes about 8 hours to get 5 gallons of concentrate to 6-7%. Generally from about 20 ish gallons of sap.
The way I run it is to restrict the concentrate line to build pressure (approx. 80 psi) and leave the pure water hose wide open.
Is this correct? It seams very slow.