This is a guest post by Nikki of Reef'd Up Aquatics. Ten years ago, non-photosynthetic (NPS) corals were considered nearly impossible to keep alive, much less to have them thrive. Now, there are several communities dedicated to the niche, and aquarists are able to keep other more sensitive filter-feeding organisms, such as the crinoid feather star. The vast … [Read more...] about Basic Non-Photosynthetic Coral Care