We really need some testing numbers to know what is going on. Also, specifically (ingredients) what you have added. Then somebody here can try and help. Also, volume of the pool.
We really need some testing numbers to know what is going on. Also, specifically (ingredients) what you have added. Then somebody here can try and help. Also, volume of the pool.
The alk test can suffer interferance from high chlorine levels. One of the indicators in the indicator solution will bleach out causing the test to turn from blue to yellow instead of green to red. Taylor suggests adding more of the first reagent (sodium thiosulfate) to neutralize the chlorine. What are you FC and TC readings?
Retired pool store and commercial pool maintenance guy.
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