Algae green and red

[cliffhanger]

hello I have a problem with filamentous algae and macro red algae, phosphates are 0.05 and nitrate 0, the aquarium I put biopellets two weeks ago, corals are growing 4mm per month, but I think the algae can cover them, the aquarium has 6 months old

Pd i got chaeto in sump and growth 2x per week
Thanks

https://www.dropbox.com/s/v6ol37vgttyhcmq/2016-04-16 19.41.21.mov?dl=0


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