Ok so slight change of plans. Was planning on keeping a single cichlid in the 75 with 4 UJ and 3 ropes. Not going to be keeping the cichlid anymore. So now it's a 75 with just the UJ's and Ropes. Will the ropes provide activity? or should I consider something for activity along the top? Again, want to be conscious of my bioload and be able to stick to 25-50% weekly water changes.
As for securing the egg crate along the back of my tank for the ropes, I think I'll just get some screen mesh and zip tie it to the egg crate. I couldn't find any of the "green chicken wire" but i think the mesh will be just as good.