When it boils down to it green water is green water, if not it's just cloudy. Sorry I don't use microscopes to get exact binomial nomenclature, and yes sugar is less reactive than vodka or vinegar, that is why I use it. Everyone has algae, I have dosed live Nanochloripsis to my tank and seen what it does. I have seen the effects of a shot of vodka in a 58w10g sump. We used to party hard. Biopellets IMO are like the many Weiss products, maybe I can get my tank blessed by a shamen, LMAO. Seriously I dislike alot of filtration tech that comes to market, Like GFO,BPs, nitrate/phos reducing reactors. Classic Berlin Method will do what you need it to do so long as you follow the directions. I laugh when I here someone say, I'm switching to Zeovit because the regular way is just too difficult or not working. If you can find a good balance on your tank where the coral grows and the colors look good, just keep doing what you are doing. You have that balance now just keep it up, those trates aren't hurting anything. I feel like I've said all this before.