Thanks for the reply. We are going to add salt tonight. Apparently the cells have to be offline for 24 hrs. I'll let you know what the readings are tomorrow.
Thanks for the reply. We are going to add salt tonight. Apparently the cells have to be offline for 24 hrs. I'll let you know what the readings are tomorrow.
It's a long and complicated topic, and not one I'm going to tackle during the peak period, but ORP is a fairly useless water value, with respect to chlorination control on outdoor stabilized pools.
More for my benefit, than yours, I collected below some of the key threads on PoolForum that relate to the topic of ORP/pH control. You're welcome to dig in, if you like.
http://www.poolforum.com/pf2/showthread.php/10017
http://www.poolforum.com/pf2/showthread.php/4236
http://www.poolforum.com/pf2/showthread.php/15706
http://www.poolforum.com/pf2/showthread.php/10303
http://www.poolforum.com/pf2/showthread.php/5105
http://www.poolforum.com/pf2/showthread.php/11936
http://www.poolforum.com/pf2/showthread.php/1064
PoolDoc / Ben
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