Or something else?
It doesn't seem gritty. When it first appeared, water was cloudy/green and I shocked the pool to the right chlorine levels given my CYA. Water has been clear since.
But it keeps coming back. Pretty baffled here.
It doesn't seem gritty. When it first appeared, water was cloudy/green and I shocked the pool to the right chlorine levels given my CYA. Water has been clear since.
But it keeps coming back. Pretty baffled here.