HELP. unstopable algea

[new_world_disor]

well my tanks been up for over 5 months now. and was fine. preety much algea free. but this last month ive had uncontrolable amounts of algea up the back wall, around the top of the tank ( long stringy hair algea and thick goey stuff ) heres a couple of pics . any ideas what the problem is ? i do regular water changes. i do have a bubble stop containing foam on my skimmer. and i use filter socks on my overflow.

pics :

http://i96.photobucket.com/albums/l179/new_world_disorder/IMAGE_044.jpg
http://i96.photobucket.com/albums/l179/new_world_disorder/IMAGE_045.jpg
http://i96.photobucket.com/albums/l179/new_world_disorder/IMAGE_048-2.jpg

[rjsilvers]

Are you using RO/DI water?

Obviously you have quite a bit of phosphates coming from somewhere. Either the water source or what you are feeding would be my bet.

[Nano Chris]

I would cut back on the lighting (leave the lights off for about 3 days) skim wet, and feed less, that might help you.

[new_world_disor]

ill give it a go see what hapens. i may need to get new RO/DI filter bits. ive run it for 5 months ish... as and when needid for topup/water changes.

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