For the metal etch recipe, visit:

WARNING: DO NOT ATTEMPT TO USE THIS INDOORS (unless extremely well ventilated.) The fumes created here are TOXIC. Wear a respirator, gloves and goggles when handling this hazardous chemical mixture. If used property, this can lead to an endless possibility of beautiful ART projects. DO NOT USE THIS FOR VANDALISM

S.M.A.R.T. Lab Staff

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