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this tank is barely 3 months old. We just got rid of the cyano bacteria that was taking it over.It looks much better now.please comment! Thanks!

Our tank is 3 months old. the ammonia is 0, nitrite undetectable, nitrate5.0, ph 8.2 , alkalinity normal (1.7-2.8). We just had an outbreak of very bad green algae about two weeks ago that cleared up and now this brown stuff is growing all over the live sand and up the sides of the tank. We have...

I was wondering what is going on with our three spotted damsel? HE turns colors- when the light is off he turns black which is his normal color and when the lights are on he turns almost completely white.So what is his deal?? I also have some pics of some corals I would like identified if...

I have 2 red and 1 yellow gorgonian in a 75 gallon reef tank. Ive had them for about 6 weeks and they would open up all the time, especially the yellow one. For the past four days in a row, I havent seen any of them open! Is that normal or are they dying or are they dead? They appear to be...

Does anyone know what is growing out of the top of my candycane coral? Its dark purple and looks like some kind of plant. It seems to grow very fast, it took two months for it to grow that big! Im not sure if it good or bad for the coral or if I can remove it and plant it on my live rock. Any...

i just changed my 55 gallon tank to a 75 with all new aragonite sand. After about 4 days the green algae started to cover my glass. Now its covering everything! I clean the glass and it grows back in no time! What can I do to get rid of this algae? All of the fish, anemone, and corals are doing...

I recently switched my 55 gallon tank to a 75 gallon tank with all new aragonite sand. After about three days the green algae started to build up. I can clean it off the glass and in no time its back! Now its growing on the rock and everywhere! I have a canister filter, a seaclone 100 protein...

I just switched from a 55 gallon tank to a 75 and after about 3 days the green algea is taking over everything. I clean the glass and it grows back in no time! I have 100 lbs of live rock, a canister filter, and a seaclone 100 protein skimmer. All of the corals and fish seem to be doing good...

I have a 75 gallon tank with 100 lbs of live rock, a seaclone 100 protein skimmer and a canister filter. I want to know if the protein skimmer is big enough or do I need 2 of them? Any input would be greatly appereciated.

I have a flame angelfish and a jewel damsel in a 75 gallon tank. my damsel now has discoloration on its left side, almost but very possible that there are scales missing. Could the angelfish be picking on the damsel. the angel is 3" and the damsel 1".will the damsel die from this what should I do?

I have a jewel damsel in a 75 gallon tank. Introduced fish 6 days ago and today I noticed this problem on its left side only. Looks like its scales or actually missing or discolored. It seems to still eat and act normal, and none of the other fish seem to have it. I also have a flame angel and...

here is some black and orange stuff growing on my live rock, is this good or bad?should I take it off?what is it? :thinking:

I have 3 feather dusters and was wondering if they multiply or reproduce.

I have a red starfish , echinaster sepositus , and want to know what is the best thing to feed it, the proper way to feed it, and how often to feed it. Any input would be great.

what is the best substrate to use in a fish and reef tank, with live rock? I currently have a 55 gallon tank with c.c. but I want to get a bigger tank and am thinking of changing substrate to aragonite sand instead. whats the best thing to do? :notsure:

I was wondering if anyone knew why our clown fish won't go in the anemone we have, it is suppose to be their favorite? we have 2 percula clownfish and 2 long tentacle anemone, one is yellow looking with blue tips and the other is brown. we also have 390 watts of light.

We got a reef package from swf.com for 30 -90 gallons.It had scarlet crabs(20), blue crabs(20), nassarius snails(10), emerald crabs(5), 1 carol banded shrimp,1 sally lightfood crab, turbo/astrea snails(20) and 2 cleaner clams.I have 55 gallon tank with370 watts of light and the water is good...

I have a newly started 55 gallon aquarium and need to know if I have enough light. I have 100 lbs of fiji live rock and plan to have corals and anemones. I have a 48" single 40watt coral light and a 130watt compact flourescent blue and sun light combo. Is this enough? Any help would be appreciated.

Im new to the marine aquarium. I just put 100 pounds of fiji live rock in my new 55 gallon aquarium. What can I expect to grow out of my live rock? Rock was shipped already cured. Any help would be great.