hard

What corals can be placed next to each other with no worries? :fish:

I have these hard tube things keep forming on a couple of rocks. They are very small. The form a coil and have an opening I never see anything gonin or out of them but I'm pretty sure there's something in there. Are they bad? They come in a few colors, purple, clear, brown

Hi I have two corals here that I can't find the name for I know that this one is some kind of porite but I have no idea what type this one is

Ok I have a mystery and my local fish stores are not able to help me. I have two tanks - a 30 gallon bio cube and a 90 gallon tall tank. I have Kenya's (and some other corals) growing very well in my bio cube. The Kenyas are growing too well in fact and are out of control. cutting them back...

I know two of these are Acropora, i just don't know what type I thought the second one might have been Purple tip, because thats what it like when i bought them, however when it acclimated to my lights it turned more green and purple. The third one is not growing up, but down and out. It...

Are angelfish and butterflyfish as hard to keep as most people say they are? I've heard so many bad things about angelfish dying or not being happy in tanks.. What do you guys think? I'm going to try a heniochus bannerfish but I have done some research and have found that they are relatively...

Did my routine water change and notice quite a lot of these little white things growing in my sump. They have a texture to it. Anyone know what this is and is good? I have quite a few growing in my sump. What you guys think?

well im not aloud to use my 29g tank as a starter and i was wondering if it wasnt that hard to use a 10g i hear it is but i just wanted to get expert advise is it? and yes i am new to this i realy wanna switch from fresh to salt

I traded someone my Koran Angel for his little corals and sponges as he is upgrading to a big FOWLR tank and I'm starting to transition mine to reef. He said these were pretty easy to take care of but I have no idea. I've only had a few little pieces from the LFS for a couple months and they're...

Alright guys I'm sure everyone here knows what black coral is and that is it not worth 3 pesos. I just got back from a trip to Mexico and was offered at numerous places "very rare black coral jewelry" Now my question is -because this is not true black coral- what type of coral is used to make...

Neon green, soft but stony... The one on the side looks/acts like a candy cane coral, but the one on top doesn't. Sorry about the HORRIBLE picture. It was the best I could get so far. If I can get better I will post later.