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- May 5, 2020
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I acquired some free salt...reef crystals. I measured the alk at 12.3. I need to get a water change done this weekend. The alk in my tank is 8.4ish. How much muratic acid do I need to lower 20g @ 12.3, to 8.4? I've looked at the threads Randy has posted but I don't trust my math and don't want to overshoot it! Also, I understand this will lower my ph so as long as I aerate the water and wait for the pH to come up to normal...I should be good at that point, yes? (Also the lady at Ace told me they have "regular" muratic acid as well as "user friendly" muratic acid) I'm assuming the regular stuff is better so thats what I'm going to get.