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#1
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![]() Test the RO water you are buying for Ca, not being run through a DI filter I'd bet it contains Ca.
As mentioned by Scumchug, you are then adding Ca everytime you top up your tank and slowly increasing Ca levels.
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-captainhemo |
#2
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![]() I will try testing it, but wouldn't it show when I test my newly mixed salt water too?
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Mark... ![]() 290g Peninsula Display, 425g total volume. Setup Jan 2013. |