Looking to ID Algae in Sump

[CHEAPREEF]

Originally Posted by DKoKoMan

No bubbles and definitely not Dino’s. Just nasty snotty crap that I will have to deal with until the next setup and no more NoPO-X.

I'm getting this same buildup in my retun pump and piping nowhere else in the tank/sump, At least it looks to be the same to me. Funny thing is I have nver carbon dosed in this tank.