Who Gives A Fish Forums

One last thing—how old are your LED bulbs? If they're over a year old, the spectrum might've shifted, stressing the plants. Cheap fix if that's the case.

8 hours is chill for Anubias, but if they're yellowing, try 6 hours for a week. Also, how's your flow? They like gentle water movement, not a torrent from your filter.


Good point. If your filter's too strong, baffle it with a sponge. And double-check your Flourish dosing—sometimes it's not ...

Yellow leaves usually mean nutrient deficiency or too much light. What's your photoperiod? Anubias are low-light plants, so if you're blasting them with LEDs for 10 hours, that's sketchy.


Yep, agreed. Also, check your nitrates. If they're above 20 ppm, that could stress the plants. What's your ...

If you're seeing new growth on the light-facing side, I'd say let the lower branches go. It's the natural way of things. SPS corals do this too, and it happens pretty quickly in my experience. The dead parts harden up and become a new foundation for other corals or sponges to grow on.