Staff Answer
Nov 09, 2026 - 12:04 PM
Thank you for being a CircuPool customer and for using the CORE-series chlorine generator.
High chlorine levels are a function of both the chlorine output setting and the operating hours, with the combination of both of those factors being more than necessary to compensate for the particular chlorine demand of the water (which is a function of how many microorganisms are present in the water, non-living organic waste & debris, water chemistry balance, sunlight and temperature, etc...). Additionally, the model size of the chlorine generator and the pool size also play into that directly.
Without knowing all of those factors, start by considering whether you should leave the chlorine generator off temporarily until free chlorine levels fall down into normal range (especially if levels are very high currently). Additionally, consider the run time being provided to the unit as this is the next major factor on the chlorine production side - if the pool system is being run more than 8-12 hours a day consider putting it on its own simple timer (which is programmed to run for less time within the pump's longer run times). If the chlorine generator runs for half the time, approximately half the chlorination should occur in the water. Regarding the chlorine demand of the water, if it is lower than normal that is ultimately an asset once balance is achieved, meaning that the chlorine generator will not need to work as hard and can last longer if it gets used less. If additional assitance is needed, please don't hesitate to reach out to our support team.
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