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Bmushal
04-28-2006, 10:01 AM
Local pool guy says I have Clorine lock. What the heck is that? How do I treat? Thanks

JohnT
04-28-2006, 10:06 AM
You have too much Cyanuric Acid (CYA) also called stabilizer. This tends to greatly reduce the activity of the chlorine. Search for "high CYA" or "reduce CYA" here and you will get more details.

mwsmith2
04-28-2006, 10:08 AM
Please post your test results so we can have a look at 'em.

Poolsean
05-07-2006, 09:20 PM
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.