Austin_Scuba
New member
Hi, I purchased a Captive Purity 3 stage RO unit from marine depot 8 years ago. I'm starting the reef tank back up again and need to purchase all new filters and a RO membrane, but I don't know if I have the 35 gpd or 75 gpd model. I don't see it labeled anywhere on the product and can't remember what I bought. Can I figure it out by measuring the length of the membrane, are they different lengths? I can't find any contact info for captive purity anywhere. Thanks for the help,
Austin
Austin