Recent content by Kurtski

I never tried rubbing it on a paper towel but could have I'm guessing. What would that show/prove? Again this is our fourth summer and have had little problems with keeping water perfectly clear and clean. I usually use only a simple test strip, watching for high Ph and low cholerine. I have...

OK so we put on a mask and snorkel and used a small brass brush to break up the spots, we then shocked and circulated extra for a few days. Seems that cleared up the problem.

OK, It’s our 4th swim season in south Texas. I’ve recently cleaned our “Pentair Intellichlor” and added salt. The water is clear, and testing good however today I needed to bring PH down and shock. I’m looking for answers to remove some small spots that are appearing here and there on the...