Ok thanks. The horses are in a different tank all together. I have put guards on the pumps ect. and moved the maxi minis as well. I lost one though and hope to get another buddy or 2 for the one left. It was heartbreaking. I think it had to do with an airbubble making it so it couldnt swim well. I could see a bubble anyways and I watched them to make sure they could move away from pumps on their own which they did. Then in the morning the one was against the guard.