It isn't an ideal situation for them, that's for sure. I've tried half a dozen other plants in these filters but the lack of light and high PH of the water and perhaps the lack of nutrients means most of them have failed. These two at least continue to live and grow, but slowly. I need them in the filters for the health of the fish so they will have to stay. I might try using the weak fert water that I spray on the orchids occasionally and see if that does anything.
