I have a 40 to 50 year old plaster pool 18' x 36'
I am estimating my capacity at 24,000 gallons.
Using the hth 6-WAY test kit i get:
TA 100
PH 6.8 (at most)
total Chlorine above 5
The pool has a green tint to it.
From the given levels that I read I believe I should only being trying to raise...