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Any clue what type of algae this is? It looks cool but is it bad? Excuse the photobomb haha. Sent from my iPhone using Aquarium Advice

Any ideas what the webbing stuff is coming off. I got it yesterday and it did it last night and now again tonight. Is he mad? Also, will there be tentacles come out of each long polyp or is that as far as it will reach? Sent from my iPhone using Aquarium Advice

The gray spot in the center. It's very small. I saw it one day, scraped it off the rock, now I see another one. This one has only moved about an inch in a day. Any ideas? Sent from my iPhone using Aquarium Advice

Anyone have an idea what this could be in the Kenya tree? It's red, sorta swollen, and right on the end of its branch. Sent from my iPhone using Aquarium Advice

Need help identifying this. It is red and has what looks like tentacles on one end it is moving around. It is small and on the front glass. Good or bad?

So is this diatoms? (Probably not I know) or cyano? I had battled some cyano that was on sand bed surface and on rocks and beat it. I thought this was diatoms but its not going away. There is also green in there. Bright neon green. Tank is 8 months old.

Okay...first time dealing with an apparent problem in my tank. My tank is 7 months old and I have a midas blenny that has been in probably three months or more. This morning I noticed him flashing/scratching on rocks. Then I noticed him turning in circles biting at his tail. What research I have...

My family is planning a vacation. I want to go somewhere with an awesome aquarium. Has anyone ever been to the Georgia Aquarium in Atlanta and/or Shedd Aquarium in Chicago? Would like to hear from someone who has been to both so I can get a good comparison. We live about 7 hours away from both...

Two things in my tank I need identifies. The first one is like a web or white tissue thing. It is underneath a rock in a cave. Can't get a very clear pic. Second is some hairy stuff growing off a hard algae? The red stuff has been there since the beginning but the hairy stuff is recent.

I have a six line that I had in a QT tank for four weeks, he was acting fine so I added him to my display tank Sunday. He and my clown have been great tank mates. Today I notice the six line swimming then he will stop swimming and kind of fall over on his side, straighten himself up and swim on...

I'm thinking of adding A Midas blenny to my 29 gallon. I have a clown and six line already. Would he be okay? I would also like to add a royal gramma possibly? Too much?

Any idea what type of fish this is? Saw it at the aquarium just outside Cincinnati today. There wasn't a plaque telling what it was. I think it's cool.

I bought a six lined wrasse one week ago today. He had a white spot on him I noticed when I got him home. I put him in my quarantine tank (was never in my dt) and have been treating with a herbal ick treatment. A week later, the white dot is still there and hasn't gotten bigger or smaller. There...

I just purchased a beautiful six line wrasse Thursday night and put him in quarantine. I noticed that night that he has a white spot on his back fin. Immediately I thought ick. Anything else it could be? I'm assuming it could be nothing as well? He is so shy I can't get a good look at him so...

Should I feed a fish as much as it will eat? Or should I restrict and only feed so much regardless. Just got my first clown today and he has already eaten 4 small formula one pellets.

I have found several of these floating in the water. Look like some kind of pupa shell. From pods maybe? Do they have a larva stage?

I am ready to start adding fish to my 29 gallon tank. I already have a small cuc in place. I need to know in what order to add the following three fish. Royal gramma Ocellaris clown Six lined wrasse I was interested in a goby or blenny but seem to think those three fish will be as much as the...

I am cycling (ready for livestock I believe) and this is growing. The lights stay off all day except when I look at tank, about 10 mins a day max.

It is probably way to small for someone to tell me what this is, but I'm interested in what people will speculate. It is the yellow branch thing in the middle, growing out of the red stuff. (Good scientific terms in this post.)

I'm currently cycling a 29 gallon tank with 45 lbs of live rock and 20 lbs live sand. I want to quarantine the new fish that will go in it. I plan on setting up a 10 gallon QT. Does it need the 4-6 week cycle? Could I use some water from a water change from my 29 gallon and some new water and...

I need advice. My tank has been cycling for almost two weeks. Just checked nitrates and they are high. Ammonia hasn't ever gotten past 0.25 ppm and usually 0. Nitrates are at 40 ppm. Is something wrong? Is that the way it should happen? I thought ammonia spiked then nitrite then nitrate. Any...

I'm guessing this is red coraline algae? It has grown some since I put the live rock in and starting to show up in a few other places. Tank has been up for almost two weeks. Will it die as my tank cycles?

There are several small small "bugs" on the raw shrimp in the tank while it is cycling. Just added shrimp yesterday. Any idea what they are?

How long for ammonia to start being detectable? My 29 gallon system will be set up a week tomorrow. I have 45 lbs of live rock in it. Running a protein skimmer as well. Ammonia is still at zero. At this time, I'm choosing not to add the raw shrimp. I've read/researched both sides of the raw...

I have a new 29 gallon tank that has been set up for 4 days now. I have 45 lbs of live rock and 20 lbs of live sand. What should the temp be while it is cycling. The temp is currently 81. Is that too high?