RECIPE BELOW: I developed a pretty darn good DIY knockoff version of Evaporust that costs about 75 cents a gallon to make. We also test it against real evaporust, white vinegar, and citric acid
Link for Tetrasodium EDTA: https://amzn.to/3kKsYD0
Link for Citric Acid: https://amzn.to/3bheDec
Link for Evaporust: https://amzn.to/3ad8nSP
My Favorite Ph Paper: https://amzn.to/3sWTU5j

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Recipe: The best results I found were 100mL purified water, 5g Tetrasodium EDTA, enough citric acid to buffer to 6.5 Ph, and a few drops of dishwashing liquid (any good surfactant should work)

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