Also for your information, Neptune aquatics in san jose California reef co in fremont Both of these stores can set up your sump/plumbing for you if you want. They can set up your whole tank for you if you want. and theyd be glad to teach you how it works. Cost money but it may save you a headache and multiple trips to home depot. Yeah make sure your sump can handle the water that drains back into your sump during a power outtage.