In my freshwater community tank there is this feathery algae (I assume it is hair algae.) covering the plants and driftwood and it is starting to get out of hand. What would be the best way to clear it up. I got talking to a guy in the the local pet shops who said that he knew someone with an algae filled tank who had gone away for a week and used a vacation pyramid feed block. When she came back the tank was completely clear of algae. I dont see how that would work though. :bounce: