Recent content by Benchi1010

Thanks for response, pool is about 6 years old. What looks like a hairline crack is actually a internet cable running above pool. Really no landscaping done lately and last time i went for swim the spots had a rough surface over them, some kinda build up. I will trow a puck above and do some...

Hello, been using the tfp method (liquid chlorine,muriatic acid from home depot) for about a year and all has gone well. I recently been noticing some spots as seen in pics (Line seen in pics is a internet cable above pool). Any idea what these can be? How can i remove? I moved into this house...