can anyone give me advice on buying, in power form, sodium hydroxide, oxalic acid, citric acid and disodium peroxydicarbonate from local chemical companies? will these products mix the same from different suppliers, in other words, do they come in different ranges of potency. also, sodium hydroxide in liquid, flake and bead form... will bead form work ok? no luck on finding disodium percarb.
prices: sodium hydroxide $40 per 55lbs (bead form)
oxalic acid $34 per 50 lbs
citric acid $$55 per 50 lbs
thanks for the input,
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