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I started a refugium on my tank a couple months ago. A couple weeks ago I noticed this green thing in the refugium now today I see that he some how got in side my main tank. He doesn't seem to be hurting any thing but I would like to know what it is and if I should be worried at all. Any ideas...

I got a nice yellow leather coral about a week ago. It looked nice for two days then it started getting a dark brown slime film on it. The coral is now more of a yellowish green in color. The film occasionally blows off with the current. The polyp haven't came out since I put it in my tank. All...

I know this sounds dumb but I got this coral the other day and now I can't for the life of me remember the name or it. Does any one know?

Should I be adding buffer to my RO/DI top off water and the water I use for monthly water changes? I read some places that said to add it and others not to even bother. In the year that I have had my reef tank I never added anything to the top off water. But I have also always had some problems...

Is there anything I can use to dissolve coralline from tank equipment such as powerheads? I replaced some powerheads in my tank and I would like to clean them up. It is very hard to clean them good with just a scraper.

A couple days ago I noticed one of my green mushrooms was covered with a brownish slime. Within one day all my green mushrooms were covered with this slime. I sighoned in off of them but the next day they were all dead and no trace of them on the rock. It just looked like they melted. They have...

My 30g reef tank is 10 months old and the levels are: Ph: 8.4 Ammonia: 0 Nitrate: 1mg/1 Nitrite: 0 Alk: 10 dkH Phosphate: 0 Calcium 400 Temp.: 81 Gravity: 1.024 The tank was going great with tons of coralline grow and no algae grow. A month ago I change my tank from 110 PC bulbs to a 10k...

I just changed my 30g reef from 110 PC to a 175 10k Metal Halide. About a week after changing my lights I started getting red algae all over my tank mainly on the glass and in my skimmer. I think it is cyano algae but I'm not sure. Does this normally happen when changing lights? If so how long...

In a couple days when my MH come in I will be building a new canopy for my 30g reef. I'm going to have just one 175watt 10k MH for now with a spider reflector. My question is do I need to have any glass or anything between the bulb and the water? Since the tank is so small the bulb will only be...

Should I get a IceCap Ballast or go with a cheaper one like these www.aquaticlight.com/ballasts.htmI'm planning on getting one 175 watt metal halide. Has anyone bought one of these type? I don't see any brand name so I don't know who makes them. I want it to last and the cost isn't a big issue...

I'm looking to replace the JBJ 110watt PC lights on my 30g reef tank. I'm getting really tired of replacing my PC bulbs every 6-9 months. I think I will buy from marinedepot.com they seem to have good prices and free shipping. What MH should I get the German 175W 10,000K Setup or the ALS 175W...

Does anyone know where I can get a long dropper for spot feeding my corals brine shrimp? Right now it is very hard to feed them with my five inch dropper since the fish try to get the food first. I though if I had a long dropper about a foot or so I could feed them much easyer. I was thinking...