HI EVERY ONE MY 1ST POST I SET UP TANK ON THE 1ST OF JAN THIS YEAR MY WATER IS FINE ON ALL COUNTS I RECENTLY BOUGHT 2 BLACK MOLLIES WHICH GOT WHITE SPOT VERY EARLY ON SO I TREATED IT BUT IN THE MEAN TIME LOST A COUPLE OF FISH(MOST UPSETTING) BUT NOT UNUSUAL FOR A BEGGINER SINCE THEN 2 WEEKS OR SO AGO MY FISH R FINE UNTIL MY G/FRIEND JUST RUNG ME AT WORK TO TELL ME THAT THE BLACK MOLLIE (JUST ONE) IS GOING FOR EVERY THING IN THE TANK AND AS LOADS OF WHITE SPOTS AGAIN IT WAS FINE THIS AFTERNOON WHEN I CAME TO WORKI HAVE TOOK ADVICE TURNED TEMP UPTO 80 PUT A LITTLE SALT IN ETC AND WAS ASSURED EVERYTHING WAS FINE UNTILL TONIGHT THAT WAS WHAT CAN BE WRONG ???