Fish4life Posted April 13 Report Share Posted April 13 I've had this problem for a few months now my ambulia keeps turning black I tried to cut off the area which was black but it came back, maybe i missed a spot or soemthing is wrong with the entire plant. If anyone knows how to fix this please tell me 🙂 Quote Link to comment Share on other sites More sharing options...
Caryl Posted April 14 Report Share Posted April 14 This is a common problem with stem plants like this and ambulia is good at it. Most likely lack of light as the bushy tops cut off the light to the bottom half. Try thinning it out a bit, if it is too thick. Quote Link to comment Share on other sites More sharing options...
maxxi1 Posted April 14 Report Share Posted April 14 sometimes also the stem plants we buy are grown emersed and they sometimes melt back and come back with submerged growth - also if your running c02 or adding a nutrient to help with that it could be causing it to melt  Quote Link to comment Share on other sites More sharing options...
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