algae

I've heard when they get older they get more aggressive - I've never had a problem with mine. But, I mysteriously lost a couple of hundred fry... and this is the second "failure" in a row. Anyone else have any comments on this? Either way, it's coming out of the tank to go graze on...

Well, the topic title and description pretty well sum up my question. I would like to hear from those of you who keep BN. (Could that be all of you?) From what I have heard these algae vacuums might fare well in SA, CA, and African tanks. Which variety do you keep? How many in a tank? How...

Ok, so just how bad is it to have black hair algae? At least it looks black/brown...doesn't look green...the problem is that I am color blind, some shades of green and brown look the same to me. Everyone else in the family says it's dark brown or black. I went away for a week on vacation, and...

Just noticed something in one of my tanks. Looks like a type of algae but I am not too sure. It is a single strand that is about 1/4 inch long. It branches out at the top. It is attached to the glass. There are multiples in one tank. The weird thing is it immediatly shrinks if I turn off the...