Loaches Online Forum

Thanks !

At least i know its nothing bad.
And as long the fish love it its ok i guess.

I've got a hillstream tank for quite some years now.
Including high flow and oxygen ofcourse.
But i've always got these ugly red algea on my rocks and plants.
I wouldn't mind it if it was green but red isn't really appealing.
The tank gets a waterchange every week for about 20% / 30%
The fish are ...