Question

5 gallons of water. Ratio is 20:1. How much muratic acid should be added

Answer 1

1/qt

Explanation:

20:1 means 1/20th of mixture is acid

5/20 = 0.25 gallon = 1 qt

Therefore adding 1qt of muratic acid to 5 gal of water would result in a 20:1 mixture.