Swamp swimming pool All ready added 40lbs of shock still no free chlorine water is aqua blue 21x42 pool what do i do now?
You are using the wrong product. You need to use liquid 12.5% strength ... Clean your filter as needed & as often as needed. Adjust the other chemistry pH and total alkalinity to required levels. Run the filter/pump 24/7 until water is crystal clear. Re adjust chemicals.