not sure if this qualifies as an emergency but i'm all out of ideas and i'm close to getting rid of the whole lot! my marine tank had been crystal clear until around last xmas when i started using my own RO filter. then after a while this horrible green whispy algae started growing....and growing. now there's green everywhere. i stopped using my RO unit about 6 months ago using just shop bought water. i've changed my filter media,do regular water changes and have also been using NO3 PO4x for the last 2 months. I have even bought a foxface as the guys in my local aquarium said they're good for eating this stuff. i've done all sorts of water tests and it's always A1. Any ideas? It's a depressing sight at the moment!
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