high tds rodi

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...

So I’ve been filling my new tank (90gal) with RODI I’ve been making at home. I’m about 69 gallons in and I decided to take a TDS reading and saw it was rather high. my question is… am I screwed? Do I need to start over? Also please consider that I also treated the water with Sechem Prime due...

So here's my problem, I live on a well and after going through the water softener my TDS is around 800! I've been told (and have seen myself) that 800 TDS is much too high to put through a RODI system and expect 0 TDS on the output. Right now I am getting around 20 TDS on the output and my...