Aqua Man
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Exactly... why pay for water.Ok cool I'm just going to go with potassium bicarbonate then. Seems pretty cheap on amazon:
And I'll get the liquid 85% phosphoric acid:
Is there a reason why you suggest the 85%? Just to get the best value for the money?
https://www.amazon.com/Home-Brew-Oh...la-522399477309&ref=&adgrpid=64875963511&th=1
https://www.amazon.com/Phosphoric-Acid-High-Purity-1000ml/dp/B009S05Z2Q?tag=thcfarmer-20