Do people have trouble with kalk clumping? The solution forms clumps or the anhydrous powder clumps?
For diy kalk and mg supplement, I would use pickling lime and magnesium chloride (or magnesium sulfate in small amounts), and dose separate solutions of both.
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Pat
Current Tank Info: 125 in-wall , 40b sump. 6 bulb T5. ASM G2 skimmer. LPS and leathers
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