After shocking, my water was sparkling and I passed an OCLT test. Then I vacuumed and the water clouded up. I reshocked but am afraid to vacuum now. Do I need to clean the vacuum hose?
FC = 12
CC = 0
pH = 7.2
TA = 130 (I know, I know... testing error then too much baking soda)
Cya = added enough that it should be 40, not reading that yet
16,000 fiberglass pool