Quote:
Originally Posted by whatcaneyedo
I just bought a bag of Absolute Zero Melt Down ice melter by Envirotech Services Inc to use in conjunction with Magnesium Sulfate on my reef aquarium. The product claims to be 100% Magnesium Chloride Hexahydrate and free of toxic metals and substances. It was $27 for a 50 lbs bag at Amco Wholesale here in Prince George.
Does anyone have any experience with this product?
I'm considering setting up and dosing into a QT tank with some xenia and an acro frag just to see if this has any negative effect on them.
I've tried calling their toll free number and the response that I received from them so far is that they would not recommend it as it is not pharmaceutical grade.
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I'm not sure of the brand as I don't have the original bucket kicking around. But I bought a big bucket of driveway melt that was 100% Mag Chloride , tested in my smaller tank and I now use it in my 220gal. I haven't had any problems, but I do dissolve it to near saturation and some "black" does precipitate out. After about 4 pounds being added to a 2L container by adding water and salt without cleaning and I have about 2ml of sediment.
I think as long as your are careful and do "test" it, you should be fine. I picked up my for about $3 for a 25lb bucket.