Which should I do first. Pool store said I can not add any other chems with calcium chloride for 24 hours
The smell is so strong. Felt like I needed to wash my arm after retrieving water for chlorine testjblizzle said:Does not matter, safe to swim up to shock level if that is your concern. You could swim now ... assuming your CYA and FC are accurate.
It may take a few days to drop.
dkbrat said:... How long will it take for chlorine levels to drop back to 9?