Can i run gfo and feed heavy to make sure it does not bottom out?

[Harrietbuckley]

I got my phosphate down from 0.3 to 0.09 using the Hanna checker. I used Gfo mainly having the drain line from the overflow run directly through the gfo reactor. There are now bits and pieces of spilled over gfo pieces in the first chamber of the sump but won't make it passed that chamber. Should I turn off the gfo reactor and clean out that chamber and put the drain line back into the filter sock or can I keep running it this way and feed heavy?

I currently feed a cube of mysis daily with dosing 5ml Acropower daily and reef roids 2x a week to my 2 meat corals