Pool ionizer system reduces maintenance and chemicals › Forums › Help › Troubleshooting › My copper ion level is above 0.4ppm. What should I do?
June 28, 2021 at 2:00 pm #4138
Copper is one of the minerals that ClearBlue adds to your pool or hot tub and it is the easiest one to test for. We recommend keeping the copper ion level in the range of 0.2ppm to 0.4ppm. With the ClearBlue Ionizer, it is difficult to get the copper above 0.4ppm on a pool if you have the correctly sized system. However, this might happen on a small pool or hot tub.
If you find that your copper level has gone above 0.4ppm, it is okay as long as it is under 1.0ppm. However, you are using up your minerals faster than necessary.
If your copper reading comes in at 0.4ppm – 1.0ppm, set the Ion/Action to 00 for 2 weeks and test it again. If it is back in the 0.2ppm to 0.4ppm range, set the controller to the appropriate setting according to the operating manual.
Note: If your copper level keeps increasing when Ion/Action is set to 00, there is something else in your pool or hot tub setup that is causing the copper to increase. This is usually caused by the heater which typically has a copper core. If your heater is old, or the pH on your pool or hot tub has been very high or very low for a period of time, we recommend that you contact your pool or hot tub technician to inspect the heater.
If your copper level is reading higher than 1.0ppm, we recommend using a chelating chemical like The Ionizer Stuff or Orenda SC-1000. These products will help to keep the minerals dissolved which will prevent them from collecting on surfaces.
If your copper is above 2.0ppm, we recommend using a stain & scale (sequestering) chemical to bring it down. This is the only time you should ever use a sequestering agent on a mineral pool. Unfortunately, this chemical will neutralize all new minerals for up to 6 weeks. So it is best to set the Ion/Action setting to 00 on the ClearBlue controller for 6 weeks after adding it so you don’t waste the mineral cell. Also, you must maintain the chlorine at 1ppm to 3ppm during this time.
A sequestering chemical should only be used as a last resort.
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