Troubleshooting Pool ionizer system reduces maintenance and chemicals › ClearBlue Ionizer manual and pool ionizer questions › Help › TroubleshootingThis forum has 5 topics, and was last updated 3 years, 10 months ago by michaelassad.Viewing 5 topics - 1 through 5 (of 5 total)TopicVoicesPosts Why is there a green/blue/turquoise ring around my hot tub? Started by:michaelassad 0 1 I still see material on the mineral plates, but the ‘Ionizing’ light is not flashing Started by:ClearBlue Ionizer 1 1 I can’t get the copper ion level to increase to 0.2ppm Started by:ClearBlue Ionizer 1 1 My copper ion level is above 0.4ppm. What should I do? Started by:ClearBlue Ionizer 1 1 My ClearBlue controller switches to Large Dose with 00 when I power cycle it Started by:ClearBlue Ionizer 1 1Viewing 5 topics - 1 through 5 (of 5 total)You must be logged in to create new topics.Log In Username: Password: Keep me signed inLog In