Quote:
Originally Posted by Reef-Geek
also where to get Magnesium Chloride(that can be used for reef tanks) locally other than LFS?
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You can use driveway de-icer but I've typically bought stuff for the aquarium trade because it's not very expensive and probably more tightly controlled (or maybe not, lol). I bought this recently;
https://www.amazon.ca/Aquaforest-590...rest+magnesium
For me it will last probably a year or more, for pretty darn cheap. If you need more they also make a 4 liter version, and JL also has their own branded stuff (ReefCrest)