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So, I clean my protein skimmer collection cup every week. But, it gets corraline build up inside it where I can't reach. What is the best way to clean it out? I have heard vinegar, but no idea if I should use straight vinegar or what mixture etc. Any advice on cleaning would be really...

So every time I get a new paly or zoa, the stems are generally pretty short. The zoas tend to be so short you don't even see them. However, after a while of being in my tank, the stems seem to grow and become kind of long. The question is why? Is it a flow issue? A lighting issue? They...

Ok, so I am thinking about getting into a DSLR camera for Christmas and am looking for some help please. I've read most of the posts here that I can find and it seems that most people suggest either the Canon line or the Nikon line based on personal preference. And I do plan on going to the...

I recently had a spike in my nitrates, got up to about 20 ppm. I think it was due to over feeding. I reduced the amount I was feeding and after a couple of water changes my nitrates are now between 5 and 10 ppm. Is there anything I can do to help reduce the nitrates more or should I just let...

I started seeing these things on the glass recently and now starting to see more of them. I know the pics are blurry, but I can't get a better pic. And now they are all over the place help! And I just noticed they are all over the rocks too :(

Is this a gorilla crab and is he big enough to catch and kill my fish? I've been losing fish for no apparent reason, all my water params are good. I check them, I have a trusted LFS test them, nothing there to cause them to die. So I spotted this guy and pulled him out a rock only to find that...

Ok, to be honest, I already know what this guy is but was curious how many other people would be able to ID him. Good luck :)

So I was cleaning the glass inside my tank yesterday with a blue scrubber thing when my little clown decided to bite it. When he swam away he had a little blue fiber hanging out of his mouth. I figured he would eventually spit it out. But it's now been around 24 hours and it is still hanging...

Can anyone ID this crab and tell if it is good or bad please? Thanks!

I have two small crabs in my tank that I can't ID because they stay hidden in the rocks most of the time. And when I do see them, I can't see enough of them to get a good picture. I'm thinking one of them might be a gorilla crab. So, any suggestions on how I go about catching them?

I have found several of these guys in my tank. They hide in my rocks though and every once in a while will come out briefly. And as always, good or bad? Thanks!

Someone told me that these things were an aiptasia hybred, but i'm not buying it. And even if they are, they grow fairly slow, since Sept. 09 they have gone from 1 polyp to 2 big polyps and 3 small ones. And they haven't spread to any other place in my tank, plus I really like them :) Thanks...

Crab ID please I found this guy in my tank recently and have no idea what he is or where he came from. I do have an emerald crab in there, but I don't think he would turn colors this much after a molt? Is this guy good or bad for the tank? Any help is appreciated, thanks.

Today I saw a couple very thin things in my tank that kinda looked like a couple of fine hairs. But then I noticed that both of them appeared to be coming out of these little purple things. I have no idea what they are, but I have seen several others in my tank that look very similar. Any...

Ok, so I get these really cool frags from various places and I love them. The problem is that there is limited space where I can place them on my rocks because of the frags plugs that these things come on. Is there a way I can safely remove them from the plugs and glue them to the rocks? It...

What is the difference between zoo's and paly's?

Is this a baby snail or something else?

I bought a new snail on Saturday and he hasn't moved since then. He is attached to the glass and doesn't seem to want to let go when I tug on him a little bit. Is this normal? Thanks

Ok, so I bought this really cool rock with lots of fun things going on. And i'm embassed to say that I can't remember what kind of coral is on it. If I can get an ID on that I would be grateful. And that same rock also has several of these little guys on it, no idea what they are...

Just finished doing a water change and found this little blue thing floating around the tank. Any idea what it is and is it good or bad? DSC02877 on Flickr - Photo Sharing!