We are adding a water slide feature to our pool with a side waterfall run off..... we need arround 200 gpm. For it to properly flow. Is there any reason why I couldn't use a spa pump for that type of flow instead of a pool pump? The head is only about 10 ft. And has a lift of 3.5ft? I know spa pumps aren't water proof but if it was placed inside a waterproof housing is there any reason I couldn't use this?