I am going to guess the CH should be FC (Free chlorine)
CH is calcium hardness and would be good to know also.
I would do TA as well.
PH and TA go hand in hand.
Boo on the wait for plaster but it is for the better sigh!
Kim
CH is calcium hardness and would be good to know also.
I would do TA as well.
PH and TA go hand in hand.
Boo on the wait for plaster but it is for the better sigh!
Kim
