I leave everything running when I dose it. Probably to it’s disadvantage.
I would note that you’ll see build up on magnets from it. This is from the basalt, and has impacted my skimmer performance over time, just in the fact that I need to clean the propeller more.
@ReefHunter006 thanks mate. I need to increase biodiversity so ive just turned the skimmer off and bypassed the filter roller as i thought it would just make the roller mat clog quickly and just roll it out the tank?