Ok so I been having hugge algae problems lately in my dt. As bad as Gh forming on the glass again. It's 8 months old!!!!! WTF...... So I decided to test my tap water and my RO water for phosphates with my API test kit. And guess what!?! There were more phosphates present in my RO water than My tap water. How is this possible? Is it possible thAt the membrane in my RO system once took the phosphates out but now is leaching them back into the wAter 10 fold? What's going on?!?!?