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ro is reverse osmosis water distilled water is the store equivalent burrowing inverts dont like black sand much, it is harder to keep clean looking too compared to traditional sand. The fine and sometimes magnetic materials in the sand can harm some fish that pass sand through their gills, the...

You are both right. Wild seahorses need live food, captive bred are usually trained on dead foods. You are much better off getting a captive bred cost wise. The clownfish will compete with the seahorses for food, so it will be harder to feed the seahorses, or you would have to spot feed them...

it depends on the species, but for the pink and purple encrusting coralline species normally found in the hobby I agree with you. Some species just bleach in bright lighting, Peyssonelia species were this way for me at least.

Is it a cloudy white, or a cloudy green? On top of the water change you might want to add fresh carbon

Also when you kill off cyano or other nuisance algae en masse like that they will rob the water of oxygen as a part of the respiration process when they die. Or rather overload it with co2. Anyway they can create deadspots, so that is another reason to siphon out as much as you can prior to...

It could help. Cyano is particularly fond of iron, it also makes green algae color up and certain species of macroalgae are rich in iron suggesting they require it for strong growth. hair algae, ulva and other fleshy or stringy green algae like members of the Enteromorpha family use it. It...

that is a rock boring urchin. E. lu****er Can scratch acrylic, be careful handling them, those spines are sharp and brittle. edit - the name is Echinometra lucanter, except the "a" in the word "luncater" should be a "u"

Sounds like your Tang has Black Spot Disease, this guy: http://saltaquarium.about.com/cs/compldiagnodisease/a/aa041701.html Tny Black spots on Yellow Tang

abalones are temperate species usually, you would need to run a chiller or they would die pre-maturely on you. Tropical large snails are things like conchs and larger astreae species, like the Astreae tuber. Queen conchs are too big, they bulldoze around and climb on rocks etc... Fighting conchs...

I would remove the GSP from the zoas mat. GSP is really easy to frag, just find a place you can get your finger under it and pull it back like carpet, the mat should stay fairly intact. Worst comes to worse you damage the overgrown part, it will come back in a week. :)

If the sand bed is deep enough to act as a remote deep sand bed that would help to reduce nitrates. It would have to be fairly deep to create an anaerobic environment. I think it is easier to just keep chaeto in there though too, with bare bottom. Very easy to clean out that way, skip anything...

I think the carbon media in a bag is more effective than the pads. I used to use pads too, but the difference is really noticeable when you switch over.

Dottybacks are just a pretty mean fish for their size, they get territorial towards new fish additions too.

diatoms? ceriths, nerites, astreas and chitons will eat diatoms.

amphipods are generally considered good. not all fish will bother with amphipods if they are fed regularly. I feel like if I get lazy on feeding the pod population gets picked on more, but usually the clowns can care less. It depends on the species of fish, my sixline likes to hunt them...

amphipods?

it should be fine, a similar thing happened with me, no damage...whole pack in the tank

when he leaves the coral will be fine i think

try starting with easy to care for softies at first, once you get everything else caught up and do a few water changes. figure out the needs of the corals before you get them will make it easier, and may save you a lot of time/hassle. (You should probably dose iodine with certain corals, if you...

there area few species you can find in the tropical hobby that are well suited for coldwater tanks. catalina goby, girabaldi damsel, many macro algae, margartia and mexican turbo snails are all temperate/coldwater species

or one of the halymenia species, like halymenia floridana nice score!

sometimes air exchange in the room and surface current can fix a ph problem. Really, it seems it would be trivial but it isn't...fresh air from outside agitated through a water lift....is ideal, but just opening up the windows running the fan and agitating the surface will go far.

cool find!

orange ball anemone, Pseudocorynactis sp. I have some, they stay put and multiple a bit. Cool looking guy in macro photography.

-edit - nevermind I was like 2 pages back. :)