SO GOT HOME TODAY ONLY TO NOTICE MY TANK WATER LOOKS FIZZY LIKE SODA ITS COMIN OUT THE RETURN PUMP I HAVE A SEPERATE PUMP FOR MY UV IN THE RETURN SECTION AS WELL BUT TOOK IT OUT TO SEE IF THAT WAS THE PROBLEM BUT ITS NOT STILL THE SAME FIZZY WATER I HAVE THE RED SEA REEFER 750XXL THIS IS A NEW TANK