Yesterday after noon i added 8oz of cal-hypo to raise my FC to 7 but just now i tested the FC and it's 1.5.
Is is to normal to lose that much FC during the day?
Pool gets alloooot of direct sunlight,from 7am to like 6pm
CYA :40
Is is to normal to lose that much FC during the day?
Pool gets alloooot of direct sunlight,from 7am to like 6pm
CYA :40