I have a 25 gallon tank with apistogramma borellii (1+2) harem and 6 dwarf pencilfish.
I love my fish and the tank, but it's quite a heavily planted one, with lots of young plants (mauritiania front lawn project, now propagated it with some stargrass since it's growing like crazy in the middle of the tank), so....it is very hard for me to clean the front side gravel of the tank with suction since whenever I try to do that during a water change (I just use a hose), the young plants get sucked in. I'd like a way to get rid of the plant debris and uneaten food (not much of that around now), but how?
Is there a gravel cleaner which won't suck my plants in? Or what about a natural one, will pygmy corys help in this matter? I'm worried that the tank becomes too stocked if I add a third species, especially if some of them get the idea to reproduce.
Pygmy corys because it seems to be the smallest fish that can help me out somehow.
edit: also will a cory school eat fry?