Hi
I can't figure this out. I have a salt water pool with automatic electrolisis producing chlorine.
My ORP sensor starts flashing 999 when it's plugged into the pool circuit, or manually put into a bucket of pool water.
But it reads tap water fine!
I haven't been able to calibrate it yet as I haven't found any solution for it.
Salt is too high in the pool, but could this cause the orp sensor to read too high? Due to a confusion several bags were added at the beginning of the week.
Ph is bang on at 7.4.
Any ideas?
Orp sensor doesn't work in pool water!
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