Questions - Need some input

okay so im going to make this short because i have to run to work sooo

i have the chance to get 2 Helfrichi Gobys for 80bucks, here they are normally 120 each, however in my tank (45cube) i already have a pair of purple firefish, im just thinking similar spicies+bodyshape+late addition= aggresion and dead fish, does anyone know if this will work? they are fairly pieceful fish last i checked.

We got home from dinner tonight and found the tank full of small particles and a haze. They are dark green, about the size of a 'normal' freckle, and dissolve/smoosh without feeling them smoosh in your fingers.

I did a water change today(the first in a few months...I know). Inhabitants now consist of 2 clowns, 1 sailfin tang, 1 green chromis, 3 clams, zoas, ricordea, GSP, 2 BTA, 1 cleaner shrimp, various snails(who have been egg laying), a few emerald crabs, some Anthelia, fuge ...

At some point over the last year I had a small leak from my sump. This leak managed to cause a little trouble with my cheap stand for my 95g reef. Of course this gives me a perfect excuse to upgrade to a larger tank . While I'd love to go really big, my current space (home office) only really allows a 180g setup (6ft x 2ft x2ft). During this upgrade, I was hoping that I could setup the new tank and plumb it into the existing system prior to moving any livestock over while both benefit from the ...

I have a small (3 in. or so) hippo tang that I've had since around Thanksgiving who has been very active and healthy, but he seems to get small outbreaks of ich that go away by themselves. Last week he was pretty bad, and in the time I got the stuff together for a treatment tank he got better. Last night he had several spots on his head, including one pretty big one, and on a couple fins. Today I can't find a single spot. Should I treat him for it or is that something that will just come and ...

Hello Everyone and Happy 4th,

Let's remember who to thank for today;-)

Now, I've a Coral banded Shrimp and it's molted once again. Is there a rhyme or reason as to why and how often they molt? Any Guesses out there?

Thanks,