I bought a large mat of java fern and it was doing fine for awhile, but I noticed the leaves in the centre of the mat were turning brown and dying. While doing a wc today I noticed the centre was completely dead, and the roots looked like brown dead grass.
The outer leaves are still green and dark brown roots.
20g L low tech tank. 24" t8 bulb. I have some duckweed in there but I try to keep it sparse so that the light isn't blocked. Why is the fern dying?
I dose Excel and Flourish with my shrimp and have never had any issue. My guess would be a longer photo period (or try and break it up into 2 different ones) if algae is your concern. With most of my T8 fixtures, I have found it was necessary to drag it out for the plants to do well.
"In the land of the blind, the one-eyed man is king" Desiderius Erasmus
Are the fern's rhizome completely buried in the substrate? IME, ferns don't like their rhizome buried in anything. Although they are a tough and hardy plant, they seem like little girls when it comes to that.
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I am wondering if your Java Fern matt is so dense in the center that no light is getting in there? It's kind of hard to tell from your photo (though it looks like you've got a really nice set up there).
Or is it doing something like this? I am a newbie to plants also...so I am no expert...
I had to cut back the brown leaves off a group of my Java Ferns...and they're showing new growth...though rather slowly. (below) (Hope I didn't hijack the thread...)
"Adopt the pace of nature; her secret is patience." ~ Ralph Waldo Emerson
Last edited by Saxtonhill; 03-03-2013 at 08:46 PM.