I'm sure I should know this, but what video are you referring to? (I've been here 11 years, and I admit that I haven't kept up outside this forum, even with things at this site.)
As others have already said, there's a lot of possible help here, and if you feel like it, you might tell us how you are treating your CH now.
It's possible if you skim through this file, it might have something new for you. https://clusterbusters.org/forums/topic/6213-basic-non-busting-information/