My Plant Is Growing Black Hairs?

[CrazyAboutFish]

My plant has developed short, bushy black hairs. What does this mean, and what can I do to resolve this issue?

 

[eaglesaquarium]

It means Black Beard Algae.  Probably due to fluctuating CO2 levels. 

 

[Blondielovesfish]

Agreed ^

 

[CrazyAboutFish]

Is that a health hazard to my fish? What can I do to remove it? Mostly it is on my plant put there is a little bit on my tube that blows little bubbles and my heater.

 

[eaglesaquarium]

Not harmful, just ugly.  Remove by hand (if possible), and try to determine why the CO2 levels are fluctuating.
 
Adding a bit of liquid carbon to the tank can help, if its about CO2.

 

[CrazyAboutFish]

Ok, thank you

 

[l_l_l]

I had a few plants growing black hairs then realized this is how my java ferns are reproducing!
Are the plants you are talking about java ferns?