when we bought the house..Are the spots new or old? Were the spots in the pool when you bought the house or did they recently appear?
I am not sure what the previous owners did. We have not we put them in the floating dispenserIs there any chance that someone threw some chlorine tabs in the pool?
old they were there when we bought the houseAre the spots new or old? Were the spots in the pool when you bought the house or did they recently appear?
Are you talking about the round dark spots or the light colored cloud shapes ?