Is a SLAM required when opening the pool?
I see that it is required if CC is above 0.5 or FC is zero.
Is there usually chlorine left in the pool after having it covered all winter? The pool installer closed the pool in October, they threw some shock in and pulled the cover over.
I see that it is required if CC is above 0.5 or FC is zero.
Is there usually chlorine left in the pool after having it covered all winter? The pool installer closed the pool in October, they threw some shock in and pulled the cover over.