Re: Hope you're there Marie ??
szampino, great answer! You are right, you will get the hang of how to shock when needed. It is just understanding how your pool works, and using the metal out and ph to get rid of the stains. The most important is that when you raise your chlorine level, you want the ph low. High ph along with high chlorine levels cause metals to fall out. Once the chlorine goes back to normal, and the ph is low, new stains will lighten up if there is enough sequestering agent in the water, if the stains don't lighten up add more sequestering agent.
If you don't have a recirculate on your filter, just keep the filter running. However, ascorbic acid usually does not remove rust stains. Try a magic eraser if you have a vinyl liner, or if you have a fiberglass pool, a very fine sandpaper. If you have a plaster pool a pumice stone. Let us know how you do, and ask any other questions you may have
Last edited by mbar; 06-11-2008 at 11:07 AM.
Northeast PA
16'x32' kidney 16K gal IG fiberglass pool; Bleach; Hayward 200lb sand filter; Hayward pump; 24hrs; Pf200; well; summer: none; winter: mesh; ; PF:7.5
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