At least 60ppm, depending on your sun exposure. 60ppm would be a good initial target.
Rookie pool owner--update with test kit #s
- Thread starter Kellie00
- Start date
That is what I figured. I'm curious--why do pools w SWG need higher CYA levels than non-swg pools? Or, am I misunderstanding the chart?
No, you are understanding the chart. The higher cya helps the swg works less by lessening the chlorine lost to the sun. The danger is if the chlorine levels drop too low and a swg pool does get algae, then then it will take more chlorine to kill it...but chlorine going to low is less likely with swgs automatically dosing daily compared to manually dosed pools.