Ohio Reef

Reef Discussion => Pests, Nudsiance Algae and Prevention => Topic started by: ThaDon on June 04, 2013, 17:31:25

Title: black algae on sand
Post by: ThaDon on June 04, 2013, 17:31:25
I have black algae on the top of the sand what is it from. I sterd it up but just came back stronger.
Title: Re: black algae on sand
Post by: Bucknutz on June 04, 2013, 17:41:02
Could be cyno? Red to brownish? Your best bet is to use the algae guide on the front page.

http://www.ohioreef.com/index.php?topic=14117.0 (http://www.ohioreef.com/index.php?topic=14117.0)
Title: Re: black algae on sand
Post by: marineman on June 05, 2013, 12:36:03
Make sure it isn't hydrogen sulfide, too. Likely only the case if your sand bed got disturbed, but can cause SERIOUS problems if it is.