a few days ago i treated my tank for cyano bacteria with chemiclean. I let it run its corse for the 48 hours with the skimmer turned off. After the 48 hrs i did a 20% water change and then turned the skimmer on and it is bubbling like crazy even when adjusted as low as it can go. It will fill the cup with water in about an hour or so. So i waited a week with the skimmer off and did another 20% water change turned the skimmer on again and same result. Any ideas of how i can get this fixed? I was hoping with the second water change it would dilute the majority of the chemiclean. My tank and sump combined is about 95 gallons if that helps any. My skimmer is an octopus 200 series.

any input will help Thanks in advance