CheSiv Posted November 5, 2019 Report Share Posted November 5, 2019 I refilled my spa 2 days ago, waited until today to add dichlor. Added 1 capful tested water and it registered between 5-10 ppm of chlorine. I added 1 capful oxy shock let hot tub run 20 mins and now the chlorine doesn’t register? what’s up, do I keep adding chlorine? filters were cleaned in soaking solution over night prior to adding chlorine. ph & alkinalinity are perfect levels. Quote Link to comment Share on other sites More sharing options...
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