SO..........................i replaced my original pool brush with the WHALE brush (LOVE IT BTW)...................however, my CYA (CLOUDINESS) seems to rise (COMES ON STRONG) since i've been using it.............any ideas? tested CYA about an hour and half ago and it was at 45 after i drained water over the weekend............cloudiness is BACK???????????????? Second year of pool ownership and have NEVER had this problem..................