Hi, I have a 28gal bio cube that Iv been trying to set up a refug in the middle chamber but the chaeto keeps dying. The tank has been running for over 2 years. I have a media basket with sponge filter at the top, the chaeto in second, and carbon bag at the bottom. I got and LED light that clips on the back of the tank for the chaeto but after a few weeks it all starts to break down and stink. Anyone have a suggestion? Thanks!
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