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Thank you. My pool guy HAD been using trichlor tablets in a floater along with liquid chlorine, but I've asked him to stop. I'm exclusively using liquid chlorine, granulated CYA kept at 40 PPM, and muriatic acid now. If we're only topping off the pool with softened water and have no more sources...

Thanks for this suggestion. I've read on this site that fresh plaster sometimes can cause high CH readings, and high FC levels may also affect the reading, so I will mention that my plaster is only 6 months old and I've been keeping my FC at 24 PPM for the last 36 hours to combat an algae onset...

I also wanted to add that, before I got hands-on involved in my pool chemistry, my pool service guy added a copper algaecide and my partner also added PoolRx, which I understand is also a copper-based algaecide. In addition to that, in late April, our well tank sprang a leak from corrosion...

Hi all, First question is CH test. In the Extended Test directions (Calcium Hardness - Trouble Free Pool) it says to add R-0012 one drop at a time "until the color changes to something more or less blue". Mine goes more or less clear at about 40 drops, and starts to take on the faintest hint of...

There's another thread elsewhere on this forum that states that static electricity can sometimes accumulate in transit in brand new test kits making the drop size smaller than normal and leading to higher than expected readings on certain tests, most notably the Sulfuric Acid affecting the...

This outline was really helpful! I've been struggling to figure out what sediment has been in my pool, too.

Greetings everyone! Recently bought a new home in Stockton with a 20,000 gallon bean-shaped, gunnite/plaster chlorinated pool. Had it freshly replastered in Nov 2020. We live in the countryside of Stockton surrounded by walnut and cherry trees and have well water. We're dealing with lots of...