I just got a new RODI system with tank from BRS - https://www.bulkreefsupply.com/4-stage-75gpd-plus-ro-di-system-bulk-reef-supply.html
I have poured out about 25 gallons so far. However, when TDS testing, it shows 175+ and my regular water is 112??? What is going on?
I have poured out about 25 gallons so far. However, when TDS testing, it shows 175+ and my regular water is 112??? What is going on?