WWELL, I CLEANED ALL THE FILTERS, AND FOUND A COUPLE CRAWLERS CAUGHT BETWEEN A FILTER SPONGE. COULD IT BE EVEN THOUGH I WAS DOING DAILY WC AND THE PERAMEMTERS WERE ON POINT, THE FILTERS COULD HAVE BEEN THE PROBLEM? IT LOOKS LIKE BACTERIA/FUNGUS WAS THE ISSUE. BUT TO KILL THEN SO FAST AND WATER CON. NOT CHANGE, IS THAT POSSIBLE? I LEARNING CURVE TO SAY THE LEAAST. I GUESS FEEDING 3 DOZ. CRAWLERS A DAY THE WET/DRY AND THE CANISTERS WERE SUPER FILTHY. LETS HOPE THATS WHAT IT WAS. THE WORMS AND TICS ARE STILL IMN THERE BUT MY LEO AND 2 MARBLES IN THAT TANK ARE EASTING AND SEEM TO BE BREATHING FINE AGAIN. WOW, WHAT A EXPENSIVE FEW DAYS. NEEDLESS TO SAY, IM LOOKING FIR LOTS MORE MARBLES. LOL