Hi
I have a heated outdoor pool the is clear but the bottom has black patches and I seem to being using a lot of shock treatment
I have a heated outdoor pool the is clear but the bottom has black patches and I seem to being using a lot of shock treatment
Can you post some pics of the black spots? Also post a full set of water test results? You should also update your signature with all of your pool and equipment info. See mine as an example. We'll do what we can to help.
