hard coral

There are a lot of corals that fit in the Expert category, like torches, non-photosynthetic coral, deep water acropora etc. What in your opinion or personal experience is the hardest coral to keep?

Hey everyone. I am running a 3 gallon pico tank and looking to get into SPS for the first time. Tank is currently 4.5 months old filled with softies and LPS. My plan is to use frequent and large water changes as I have been doing (will up frequency but so far has been working well). Light is a...

Hi yall, I am driving to Denver on Saturday and would like to unload my reef with all of the amazing coral growth that has been happening as of late. If you see anything that you like please let me know and make an offer, I'll deliver it Saturday if you live in that area. If you dont see this...