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a refugium usually consists of diffrent varietys of macro algeas, LS and LR. Lights usually are on 24/7 (TheReefman52's are) but some people like to play it a diffrent way :D :p ;)

can you use it as a substrate? yes can you use it for a DSB? no the sand is a silica sand (glass) it is theorized that with this type sand you might as well use crushed coral. The particle size is too large and the ed will harden and the sand will not disolve. it will just be there. The...

could it be an issue with the water circulation in that area of the tank?

I would at least get some LR and LS in there to start the cycle, cuz it will have to sit there for a few weeks AFTER you add it anyway, and I hate to wait.

could also be a bacterial bloom.

i disagree with the lights running opposite the tank. For max. efficiency, the refugium should be lit 24/7 the theory of the lights being left off is to curb the normal pH spike agfter lights off. It does so, but makes the refugium less productive. A 5 gal refugium would work just fine for...

HD halides and mercury wont work = wrong spectrum look into power compact kits or VHOs . or if your prepared to shell out the $$$ MH's are an option, but the MH will use a lot of energy and will make a noticable difference on the power bill. I talked to a guy who got some for his reef and his...

i hope the tang is in the 55

i guess they could sting fish, as their sting is powerful. It is a neusance as it pops up all over and can sting and kill corals and reproduce like rabbits. They can quickly get out of hand and overpopulate in your tank. plus they look bad.

they are cool fish and very hardy and active.

thats how i did my tank too, and its doing well. I mixed the water first though, cus now freshwater is trapped beneath the sand. dont add LS yet, but expect the water to cloud up for a while. For about the first 6 months, your sandbed will be very volitile, and it doesnt take much to cloud a...

I have heard of people lighting the refugium opposite of their tanks. I believe the reasoning was to help buffer the pH drop that happens in the tank after the lights go out. I dont see how it would be effective, but I have heard of people doing it with good results.

Southdown Tropical Play Sand and Salifert Test Kits [ November 11, 2001: Message edited by: @knight ]

people buy lots of sand in the winter when it snows and is icy.

do a search on DSB's before you do it, because if you dont it will not work. You cannot use a UG filter with LS. Additionally, Wter flowing thru the sand will make it not work. The deep sand bed needs to be anerobic (without oxygen) and your water has oxygen in it.

how old is your tank? it could be a bacterial bloom of some sort. things like this happen from time to time. They usually clear within a day or two.

i only have good things to say about these skimmers, and have called the support line before and they have been very helpful.

a skimmer is a good idea, it removes organics and oxygenates the water. dont waste your money on a cheap skimmer though. Its more expensive in the long run when you realize it isnt doing anything and you have just wasted your money.

if you have ammonia in your tank, and your tank is cycling, i would not put ANYTHING in the tank! I would find another LFS that can give you better advice. and if by sea fan you mean a Purple Gorgonian is what you bought, your tank is WAY too young to handle it. It requires daily...

dan, if you have ammo, your tank IS cycling. niko, give us a little more details, and whatever you do DONT scrub the rock, that is only a LAST resort, as it kills off too much of the good stuff that will help your tank stay stable. If your tank is young, it is common to have an algae bloom and...