I'm using Tropic Marin Pro, I've used IO and Reef Crystals in the past but I like how Tropic Marin mixes up without any residue left behind. I had a hair algae problem that cleared up when I switched but I can't say 100% that it was just the salt.
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Brian
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220g inwall 48"x36"x30"
110g mangrove refug/sump
Poison Dart Frog Vivarium
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