anyone from edmonton also dealing with green hair algie blooms

[isaac1]

35 gallon t5ho lights 2 450 korila power heads 40 pounds live rock 30 pounds sand 2 clowns 2 striped damsels frogspawn 2 bubble tip anenomes hammer corals an entire rock engulfed in greenstar polyps pulsing xenia 1 brain coral 3 plate corals two candy canes 8 ricordia mushrooms redsea prizm skimmer 8 sandsifting snails 2 turbos an emrald crab witch I bought to eat the green hair but dosnt and 2 peppermint shrimp and o ya 1 blenny I change my water every two weeks 15 percent and do fresh water top ups every couple days I turned my lights on a 8 hour runtime from 12 I've delt with it before but I put a yellow tang in the tank and it was gone and under control thow when he died I noticed a couple weeks later it started comming back