I'm about to install a stenner pump in my g/f's pool. It's approx 30,000 gal.
I also plan to purchase chlorine by the 55 gallon drum at 12%+ strength.
Some questions.
Question 1
All things being equal...
Drum #1 has both 2" bung caps off so the chlorine is open to the air
Drum #2 is sealed...