HEY, I NEED SOME ADVICE I HAVE A 220 WITH 2 FX5'S W/BIOMEDIA AND 2 AC110'S WITH SPONGES,,, TANK HAS THESE FISH (25 ENDLII BICHERS RANGING 15 TO 22 INCHES) I DID A WATER CHANGE THE OTHER DAY 30% BECAUSE OF THE CRAP ON THE BOTTOM FROM THE BICHERS AND AFTER I DID THE WATER CHANGE THE WATER TURNED MILKY CLOUDY IT DOES IT SOMETIMES BUT IT CLEARS UP AFTER A DAY OR 2 ,,,, IT IS NOW 4 DAYS ,,,, THE FX5'S ARE FRESHLY CLEANED ABOUT A MONTH AGO , I AM NOT SURE DO I NEED A WET/DRY FILTER OR SHOULD I PUT ON ANOTHER CANNISTER FILTER AND FILL IT WITH CARBON ????? NEED YOUR HELP GUYS lmK THANKS,SCOTT