Hello, So I’m setting up a new 75 gallon tank with sump and I need a lot of water Fill it in. There’s a Water Mart a Water filter Store that sales filter RO water that is abt 2-4 TDS. Is that ok to use for a mix reef set up? Is it bad or good??
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Eventually I’ll get a RoDI system, thanks for the replyThat is.ok. good. 0 is best.
Im gonna set up mine with 30-40 tds.garden hose tap water.
As long as you do wcs and top off with the ro water youll be good. The idea is to not keep adding tap water. Hths
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