I put a Drop 1.2x in my 10g back in March. The tank was started in December 2017 and was established when I added the Drop. Despite very significant algae growth all over the tank, only a little yellow slimy algae grows in the scrubber. I've never seen any hair algae grow in this tank. Tank occupants are a small longhorn cowfish, a yellow prawn goby and a single large emerald crab. I feed abut 1/2 a cube per day and don't have any cleanup crew. I have a larger reef system that is beautifully maintained by a scrubber producing large balls of green hair algae. I tried putting a clump into the Drop but this didn't help. Below are pictures. Thanks for the help!
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