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Rapid build up of green algae!

Subject: Rapid build up of green algae!
by Big_K! on 1/3/2004 21:31:33

Hi all,

Any help would be much appreciated...

I'm having problems with the rapid build up of green algae, a thick layer of slime that covers the whole of the aquarium base, after a matter of days.

I have a 160 litre tank, fluval 304 ext. filter, all the correct media, 15" air stone, and heater set at room temp. for those cold winter nights.

I have a single inhabitant at present, a Comet goldfish.

Have tested for amonia and nitrite and is ok, although pH is slightly alkaline at 8.5, and might explain the rapid build up. But how do I change this?

Help much appreciated...

Kev...