I HAVE BEEN USING DISTILLED WATER(FROM WALMART) FOR ABOUT 3 MONTHS NOW AS I HAVE BEEN READING GOOD THINGS ABOUT IT.THE TDS READINGS ARE UNDER 15,NOW I AM HAVING A SERIOUS ISSUE WITH GREEN ALGAE.IS THIS THE PROBLEM? I WAS USING TAP WATER RUN THROUGH A TAP WATER PURIFIER WITH NO PROBLEMS BEFORE THIS.NOW SOME OF THE CORALS ARE WASTING AWAY.MY PHASPHATE HAS ALWAYS READ THE SECOND COLOR ON MY RED SEA TEST KIT.I HAVE BEEN USING PHOSGUARD FOR A GOOD WHILE FOR THIS PROBLEM.PH IS BETWEEN 8.2-8.6 AND AMMONIA ALWAYS READS .025 ON RED SEA TEST KIT.ALK IS GOOD.I DONT HAVE $$$$ FOR RO-DI EQUIPMENT BUT, MY LFS IS SELLING IT MIXED WITH IO SALT FOR 64 CENTS PER GALLON.HOW LONG TILL THINGS TURN AROUND IF I DO A 10 PERCENT WATER CHANGE ON MY 45 GALLON?ANY THING ELSE I SHOULD BE DOING?I JUST WENT OUT AND BOUGHT MORE CRABS AND SNAILS AS MY CLEANUP CREW WAS GETTING SCARCE.I HAVE TO CLEAN MY GLASS EVERY DAY TO GET THE GREEN ALGAE OFF IT.MY TANK IS NOT OVER CROWDED AND I FEED THE CORALS EVERY OTHER DAY WITH EITHER BRINE SHRIMP OR CYCLOPEEZE.WHATEVER THE FISH CATCH FROM THIS IS THEIR MEAL.