Okay. I have battling this type of algae for the last few months. I have a 60 gallon tank with a skimmer and I do a 10 gallon a week water change. I get this green algae with little air bubbles in it that looks almost like green cyano. I blow it off of the turkey baster on water change day and it comes right off (almost looks like nori or sea veggies) and I suck as much as I can out but yet it comes back. My fish get fed with an auto feeder set at the lowest setting just one time a day and I feed once a week with some Reef roids made into a paste and given to the corals. Also every now and then I add a little bit of rods food in. Have a lot of corals in the tank but only two fish some shrimp and crabs. My po4 is. 08 and my nitrates are around 1ppm. Does anyone know what type of algae this is and how to get rid of it for good? The last picture is a few hours after a water change as it starts to come back. Thanks
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