im currentlly having problems with my marine tank... i have around 30 kg of live rock , a size (m) Hawaian Yellow Tang, two size (m) Brown Tangs,1 Hawaian Sailfin Tang, 1 Golden Head Goby, 1 cleaner mimic, 3 Skunk Shrimps (L), 3 Cave Gobbies,2 Maroon Clown and corals, 5 Green Stripe Mushroom, 5 Corcea Clams, 3 bubble Coral, 1 Bubble Anemone, 2 yellow polyps, 1 orange ball sponge, 3 normal sponges, 1 elegent coral etc... ok its all in a 55gl thank and i give them sufficient lightings , feed my fish and corals with brine shrimps... to minimize the nitrate levels.. i have tested everything with my test kit... only the phosphate level is overwhelming.... the current problem is this, my thank keeps blooming green,brown and red algea..... what should i do????