Quote:
Originally Posted by mseepman
I too have the problem of ALK and CAL being too high. I use AquaCraft Biosea and out of the bucket, I get ALK levels of 7 and CAL levels of 450 very consistantly between bags. Somehow over the last 3 months, my tank has crept up to ALK of 9-10 and CAL of 500. I use both Salifert and Hagen test kits with similar results. I don't have a reactor and I don't dose for Calcium or ALK.
Any suggestions would be great.
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I'd be willing to bet that your not using RODI water for top offs, or your DI filter is done. As you keep adding water, it evaporates leaving behind calcium among other things. Eventually the calcium builds up.