Hey SG Sam, a fast solution would be to remove most by hand, reduce your light lengths through the day and reduce feeding in the tank to lower the nutrients.
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Thanks VorteilVorteil wrote:I had major issues with hair algae & always removed it by hand whenever possible. I do use biogest in one of my tanks that has a sponge filter. Highly recommend it. You really need to figure why and what is contributing to the growth. Until you figure that out you'll never get it under control. I believe you are either feeding too much or the substrate you used wasn't cleaned out well enough before you used it. It took me months until I finally got control of it.