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- Dec 2, 2019
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Noticed a smell of chlorine in my ro water. It’s testing 0 tds. I’ve tested my tap water and it’s reading 180tds so I know it’s reading correctly. Anyone have this problem?
Chlorides (chlorine and similar) evaporates out of water. The rule of thumb is 2 hours per gallon in an open 5 gallon bucket with aeration (but not what you want to do with RODI, defeats the purpose and this also allows the H2O to absorb what is in the air)Chlorine and more importantly Chloramines can travel through your membrane and DI resin without being removed. Many people have had this problem. Carbon is the only component of your RODI system that can successfully remove Chlorine and Chloramines. Carbon removes Chlorine with little trouble and even a small amount of carbon is able to remove a substantial amount of Chlorine. But Chloramines on the other hand is a different story. Standard and even high grade carbon can be rapidly depleted by Chloramines. Chlorine dissipates and evaporates from water quickly, Chloramines does not. So your best bet to prevent Chloramines from becoming a problem is to use Catalytic carbon. Bulk Reef Supply sells something called Chloramine buster carbon that also works well. So, 0 TDS doesn’t always mean safe water. You need to regularly change your carbon and use Catalytic carbon to prevent Chlorine and Chloramines from becoming a major issue for your corals.