Who Gives A Fish Forums

I've always had this issue with new Java Ferns and I just trim off the affected leaves as I notice them going bad. I also remove any leaves that develop plantlets on them.

Over time, the plant is left with leaves that have grown accustomed to my tank's water parameters, and it seems to stay ...

You can actually find some replacement bulbs on eBay and also Pet's at Home (P@H) sell them, might be worth checking those out.