begginer reeftank

I would like to have a 2-3 species of fish, 1-2 inters and a some corals. I have seen a few seawater setups under 5 gal that look beautiful, but heard smaller tanks are tough to maintain. Would love for someone to educate.

Hello everyone, I've been lurking on this site for years now when I started my aquarium two years ago, I have always had intentions of upgrading my 29g tall indopacific live rock fish only to a reef tank but until now didn't have the funds. The original tank was a threft from good will I picked...

I have had my tuxedo Scabbers for some time now I’d say a few weeks and everything in the beginning was great! Moved around fast eating a lot. I noticed he has been slowing down k could be crazy but I feel his arms are not stretched out as much a little limp. I could be over thinking this but...

So my 15 gallon innovative marine is about cycled and I’m heading to my LFS In Pittsburgh to get fish this weekend. My plans are 2 nano clowns, one clown goby and 2 cardinals is this fine or over kill? The nano clowns are so small they shouldn’t bother the other fish I think. Any feedback would...

Started my cycling my tank on the 29th of June and started dosing Seachem prime & stablility this past Saturday and it got my ammonia to this I’d say between 0.50 - 0.25 ppm. Should I do a water change to hopefully bring it to 0 or should I continue to wait it out? Really wanted to get fish in...