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I was wondering if it would be at all possible to have a lion fish (any type) in a 20 long? Could it be happy in a tank that small and by itself?

I have a actinic light for my FOWLR. I was just wondering if actinics do anything special. Like do they promote coraline alge growth better or anything. Im kinde just curious as to what they do different.

I am looking to buy a few more lbs of live rock. If I buy it from my LFS (already in thier tanks) is it okay for me to just plop it into my tank without worry? Will it affect my water perameters or do you only need to worry about it when you order it. Would I have to cure it?

It seems like my royal gramma is rubbing on one of my rocks, just the one rock. He will sort of turn side ways and swoop in at the rock, it looks like hes trying to scratch himself, but I cant really tell. As far as I can see he has no abrasions or ripped fins, he also seems to be in good...

I was wondering what the approximate number of hermit crabs, snails, star fish (basically a clean up crew) would be for a FOWLR in a 20gal long tank should be. I also have allot of slug things, I think they are stometella varia sp? Does that matter. I ask because I see online retailers selling...

I know theres a ton of posts about lighting so I felt left out and decided to add my own, seriously though, I am looking to get a 2x55 watt or 2x65 watt PC light thats 24" long. Anyone have tips on a brand or pricing that I should be looking at not to get overcharged. This lighting should...

I was wondering if there is anyway to get rid of these things. I have a 20gal FOWLR and there is about 25 of these slugs (Stomatella varia) that I can see. They are annoying and ugly and I was hoping to get rid of them. Picking them off is not doing it for me any more, please help. Is there like...

For the past few months now my tank has been getting salt build ups on the top of the glass hood and especially all over the top of the filter. My salt levels do not go down in the water though. I was just wondering if this was a normal part of the evaporation process or something, or is my tank...

I have one stripped damsel that ive had for about a year, hes only a little bigger than say a nickle and a newly recieved royal gramma. The damsel will go up to the royal, turn sideways and flick its tail very fast in the royals face. What is this fish doing, and is it bad for the royal?

I was just wondering what if any new additions would I need to convert my FO tank to a reef tank. I have a 20gal long with sand substrate, some live rock, a millenium 2000 filter and 30 watts of light 15 of that is actinic. Any help would be much appreciated and I really want to make my tank...

I had just bought a tank raised percula clown on saturday. Today he wont eat and is swimming different, he just hovers barely above the sand. He also has what to appears to be a little red rash or sore on his head right in front of his dorsal fin. If anyone has some advice that can help me I...

I have a 20 gal tank with about 8lbs of LR and 5lbs of other rock with a sand substrate. I currently have only one 4 stripped damsel. I was curious as to how many more fish I can add. I would like two clowns or a clown and something else. The damsel was not aggressive, but he has had the tank to...

Sorry I don't have a pic, but I was hoping someone could help me out here. I have a bunch of these things that look like slugs and they have little hard shells on thier backs. They are usually on my live rock or the walls of the tank sucking up algae. These things are really staring to tick...