Lowering pH with CO2

[aquarium]

25 lbs for $40 delivered. So that is 80 doses for $.50 per dose. Muriatic is about 8 oz for a .2 PH change or 16 doses per gallon @ $8/gallon or $.50/dose.

Oh well.

One gallon of muriatic here costs only $3, so the comparison is even worse.