SO what is the brown dust building up under my chaeto on the bottom of my sump. How do I get rid of it? Do i not have enough chaeto in there? WHat do I do?
It it on a bare glass bottom on do you have LR/Sand under the chaeto? That stuff is call deitrus and builds up in all of our tank. Just syphon it out during a water change and flip your chaeto around every week.