just aim heavy pump retrns toward the substrate...lifts debris up and into the overflow...I use xl natural river rock that is the size of golfballs and bigger..just a layer covering the bottom.koliveira said:Looks great! I used to have big rock like that in one of my tanks and it was harder than hell to siphon! How do you deal with it? Any secrets?
now3arB3aR said:nice cichlas dieselmack!
does your cichlasdig up your plants?