is your tank in any sort of sunlight? i dont know your situation but i can tell you what i have and it stopped my bad algae.
skimmer. the best you can afford
more flow. my tank has about 30-40 times per hour turnover with the skimmer and HOB
cleaner crew. astrea snails work awesome and an emerals crab was a real find. he eats a ton of algae
make sure your tank is not getting any sunlight. even diffused. this was my biggest problem
phosphates. get a test kit, find your source and eliminate it. i used a sponge to absorb any i might have had and use a a couple chunks of the filter type in variuos places to make sure it is gone.
cut back light a little bit. i run actnincs for 12 hours and daylights for 8. i noticde decresing the 10,000k helped out.
i also noticed i had a CF
bulb in lamp near the tank we used in the living room. this was a 2700K bulb. not good for keeping algae in check. i move the lamp
like i said, this is just the steps i have taken to stop or prevent any bad algae. i may be wrong on some of the things. i am a rookie to this "sport"
75g RR. 2x250 14k MH
/ 2x54 T5 act. 29g sump. ASM G1X skimmer. phosban reactor. 80lbs LS
, 90lbs LR
, 2x seio M620.
kole tang, bicolor angel, mandarin dragonette, ocellaris clown / BTA , cleaner shrimp, 2x peppermint shrimp, a variety of soft, SPS
, and LPS
corals, orange linckia star.