I have the erectis varient of seahorse and I am setting up their permanent home but I want to keep them temporarly in my NUVO 20 gal (its the discontinued model) it has a return pump that has a y adapter splitting it to two return nozzles that have a flat tip on them the pump is rated at 211GPH is that too strong for my seahorses or can I keep them in the tank until the permanent home is finished?