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I have had green star polyps in my tank for the last 4 months. About 4 days ago, I noticed that more than half of them aren't coming out anymore. Yesterday I noticed a red(deep purple) algae or possibly something else covering them. I can blow it off with a turkey baster, but it comes right...

I know salinity is low, i used water from my LFS to do a water change with the new tank and they keep it low. I like it to be at 1.025. I am going to start mixing water now for another change, using my own salt and water.

They cure the rock in a large bucket with strong flows of water and a powerhead. They also only have live rocks in their curing buckets, no fish, and I am pretty sure that rock can't carry ich. The cured does not smell fishy and has been there for at least a month.

I just switched my tank over to a 20 gal. aquapod. I switched my crushed coral to live sand in the move. Today I tested everything and my nitrates are through the roof. I have: 2in. sand bed 25lbs live rock(added 1 lb. today, already cured) run the built in filter with sponge and carbon 880...

I just my LFS where I was purchasing a lb of live rock and some new coral. The guy i usually work with was busy so another guy who works there wanted to know why I was buying more live rock and I told him how we have been adding a lb a week to increase our live rock load, slowly. He told me that...

I recently purchased a 20 gal. aquapod knock off to transfer my established tank to. The new powerhead is way too strong. It is beating up all of my corals, no matter where I point it. Is there any way to slow the flow?

Wherever i point it, it blows all the sand around and the corals flap all around.

It didn't come with any attachments. I am unsure of what type it is, it is in the tank right now.

That's really cool. I am still trying to figure out what to do with my sections in a 20 gal.

What is in the trays?

What is in the trays?

I think I read that you only use carbon in your rear chambers. Is that all you use or do you use the sponge? Live rock rubble? I am trying to figure out what to fill my rear chambers with.

I have 20lbs of live sand and about 30 lbs of live rock. It is a fish/reef tank.

I just recently switched my tank over to an all in one 20 gal. set-up. My question is: There are 4 chambers in the back of the tank for sponge, bio balls, carbon and the tube like pieces. Right now I have the sponge in the first one, bio-balls in the next and the last two are empty. I was told...

I just came across a 5 gal. that I want to try to do a frag tank with. Where could I find lights that fit. It is just the tank, no top. I am having a hard time locating any. Any suggestions? Thanks!

About three weeks ago I got a large rock covered in mushrooms. The LFS called them "green" but I think they are chocolate. In the past week two of them have detached and landed on the bottom. They are doing very well, but I was wondering why do they do this? Is it o.k.? Is there a chance they...

I do have coral. Maybe I will just pick from the bottom of the bin, he has 5 bins or so that are at least 100 gal. each, so I am sure it has been there for a while. Would it help if I only added a few lbs at a time? I am looking to add about 10 more lbs.

I have read that you still need to scrub it? If you have had no problems, I may just try it. I just don't want to send the tank through a cycle again.

At my LFS they keep the live rock in large bins with water and a protein skimmer. Is this cured? If so, can I just buy it and add it to the tank. I haven't added rock since the tank cycled and I don't want to send it through another cycle.

I have been reading that you should supplement iodine for corals. I cannot find an iodine test anywhere to see what mine is at. Should I add iodine anyway? Can you have too much iodine? What is a good supplement if I should use it?