05-23-2010, 07:45 PM
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It might help to see a photo, but even without I would suggest the problem is too much light plus insufficient nutrients. These two aspects are very closely related. In order to photosynthesize (which is how plants grow) they need light and nutrients to balance; if either of these is insufficient, they slow down to the point of stopping growth, and if this continues the plant begins to die.
Having said that, Anubias is also low light, moreso in my experience than Java Fern. However, being a very slow grower, its nutrient requirement is less. I'm surmising, but it may "survive" better than JF. It also does not appreciate light, and may develop yellow leaves in direct light. My Anubias always does better with floating plants to shade it.
You will need some nutrient fertilizer, and for these plants a liquid is the best. I would recommend Seachem's Flourish Comprehensive Supplement for the Planted Aquarium, or Nutrafin's Plant-Gro or the Aqueon Plant Food. I use Flourish.
If it were me, as you have plants I would forget the fishless cycle and put in a fish. Replace the dying plants first though, they will only make things worse. Live plants use ammonia/ammonium produced by the fish, and in a 10g with one small fish, a few plants would easily handle the ammonia and the tank would cycle itself.
Light is important for two aspects, intensity (brightness) and duration. Reducing or increasing one does not compensate for a deficiency in the other. I would not go with less than 6 hours; in fact I would increase it to 8, but add the fertilizer and fish.
Last edited by Byron; 05-23-2010 at 07:48 PM..