I ordered a uv sterilizer for my tank. It has one inlet for water and and outlet where water is returned to the tank. Can i hook this up directly to my cannister filters plumbing so that i do not need to buy a powerhead to operate it?. Meaning i would say hook up the inlet side to the tubing that is coming from my cannister filter back to the tank, and have it run through the sterilizer before it gets back to the tank or should i just get the powerhead and hook it up with that. Thank you