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yeah thats what i am going to do. Just gonna order some good ph down made from phosphoric acid which is food grade. i just read that on that site and found it odd and wanted to know if it was safe. imagine smoking sulfuric acid x.x

I was on the net searching for a way to make a diy ph down, and came across a site where someone posted a recipe saying to add 1 cup of virgin sulfuric acid to 19 cups of water. My question is, being that im new to hydro, is this safe to use on your plants? is it safe to smoke? i heard...