Pool Treatment

parameters	Values	Frequency	Comments
Total Alkalinity TA	100-150ppm	all season	Prevents pH fluctuation
TH hardness	150-300ppm	all season	Prevents turbidity and limescale
pH	7.2 & 7.6	1-2 times a week	Ideally 7.4
free chlorine	0.5-2ppm	1-2 times a week	1ppm is enough
Combined chlorine	<0.6ppm	1-2 times a week	Difference between total chlorine and free chlorine

HAYWARD TABLET DISPENSER FOR LARGE SURFACES