NEED A LITTLE HELP, I AM NOW TO THE POINT WHERE I CAN START INTRODUCING SOME CORAL TO MY TANK BUT MY SG IS 1.027(WHICH IS TO HIGH), I WILL BE GETING MY CORAL FROM DR FOSTERS & SMITH.COM AND I KNOW THEY KEEP THERES AT 1.025. WHAT IS THE CORRECT WAY TO LOWER IT WITHOUT HURTING THE CLEAN UP CREW OR...