I'm using Reef Builder. While it does raise alk without affecting pH . . . it is kind of a pain in the backside. It doesn't dissolve very well (even with a lot of shaking and allowing it to sit for a while), so when I add it to the tank water particles float around. As I've already burned one euphyllia using Reef Buffer, the fact that it doesn't dissolve 100% makes me pretty nervous. The particle cloud does clear quickly.
I'd prefer a liquid alk supplement over a powdered one. I won't buy Reef Builder again (I don't think).
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Shelley
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