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Originally Posted by K.S.H
Your VERY lucky if you don't get any, get it cleaned off though, it spreads like hell, is the tank in sunlight? makes it grow quicker if it is, better filtration slows its growth down, I used to use cotton wool in a power filter that skimmed the top of the tank and changed it weekly
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Tank is about 10ft from the window. Its not directly in sunlight. We have no real plants in the tank either, I took them all out after they started dying...
How would you recommend cleaning it off, I have a magnetic glass cleaner(with green scourer bit for the inside of the tank) but that didn't shift it, its on there solid. All the fish seem really content though.
Any help would be appreciated, I dont want it to get out of hand
I have asked on a couple of fish forums but no one answered
Thanks