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I dont know why youd take out the biowheel. All that is is another place for bacteria and algae to grow. They even tell you to float the biowheel in the tank if maintenance is going to take more than 15 minutes to prevent die off.
You don't have to remove carbon or biowheel. Chemiclean will not fix a problem, it will kill cyano but if the problem is not resolved the cyano will back in days or weeks