Re: Clorine Lock
My definition of "Chlorine Lock" is....I don't know what the heck is going on but your chlorine is not working properly.
High chlorine demand conditions of your pool due to high combined chlorine, algae (made worse with the presence of nitrates and phosphates), high bather loads, insufficient pool operation/maintenance (such as insufficient pump run time, filtration, dead spots, and water chemistry imbalance), or as suggested, high cya levels, will cause this "Chlorine Lock".
Usually adding MORE chlorine to overcome the high demand will resolve matters. With high cya, maintaining high chlorine residuals (as is a recommended throughout this site) is the solution....unless it is a salt chlorine generator pool.
Post the results and the solutions will come.
Sean Assam
Commercial Product Sales Manager - AquaCal AutoPilot Inc. Mobile: 954-325-3859
e-mail: sean@teamhorner.com --- www.autopilot.com - www.aquacal.com
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