I wouldn't reduce the feeding of your fish too much. Everyone goes through stages of algae outbreaks (I have some red slime in my tank right now), but as long as you take the obvious steps to reduce the nutient and waste load in your tank, you will eventaully bring an end to the outbreak.
As for any bubble algae, I find its pretty easy to remove manually. If you want to get something to add to your tank that will take care of it though, you could add a emerald crab.
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Rory
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