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In a predominantly trichlor/tablet based market here in Orlando, high stabilizer (100ppm +) is very common. What is the limiting factor that does not allow chlorine tablets to be made without cramming in cyanuric acid? Sorry if this is a stupid question...

I've read a couple of different things while browsing the forum in hopes of finding a clear answer. The first is that a rise in pH comes from increased aeration of the pool water, thus gassing of carbon dioxide. The second is that a byproduct of electrolysis (for NaCl water) is Sodium Hydroxide...

I've noticed on the FC/CYA charts there is a "rule" saying the free chlorine level needs to be at a minimum of 7.5% of the CYA... Simply out of curiosity, where does this 7.5% come from, just real world experience, or is there some kind of documentation? I've also noticed that some very large...

Has anybody used this? It's a two-door weir that has curved doors, and they claim upwards of 100 dollars in energy savings per year. I'm assuming the savings come from reduced pump run time because of how the system works. The weir is supposed to increase the velocity of the water entering the...