Jai

Ok......I've notice a couple a days ago a small patch (0.5cm) of something in the inside of the front glass of my tank...like a yellowish/orangish (i think) colour....today i've now noticed it in multiple places on the glass what might this be?

Shorty

Could it be a type of algae? I am not sure - probably best to wait for the experts Sorry I couldn't help

0morrokh

Sure sounds like algae, except for the color. Although algae can be many different colors...

Jai

I wonder what this stuff is?.....it's now spreadig in a number of places i've now noticed it on my ornaments... What color is algae suppose to be anyway?

Butterfly

See if you can find it here. http://www.plantgeek.net/article_viewer.php?id=9
Carol