Search results

I have a 15,000 pool with a DE filter. I started the SLAM process one week ago because I was losing > 1 ppm of FC overnight - sometimes up to 3 ppm. I have followed the process pretty closely. My water is crystal clear, my CC is zero, and I'm not seeing any algae - alive or dead - in the pool...

I have an 18-year-old 15,000-gallon inground plaster pool. My system uses a DE filter. The problem is that I can't get my free chlorine and PH levels to balance simultaneously. If my CL is low and I add the appropriate amount of 73% Cal-Hypo, my PH increases to an unsatisfactory level. If my PH...