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I have a pair of Picasso clowns and they keep trying to host my Duncan coral polyps and I'm worried they will kill it off. Is there an anemone that I can put in the tank that they will host instead? Sent from my iPhone using Aquarium Advice

After the success of my 50 gallon tank I am planning a 300 gallon build and would like some help on the base. I was going to double up on the glass. Would you put the second layer of glass on the inside of the tank. So the sides and ends will be ontop of the first later and stuck to the edges of...

Here's a curious question, as the corals are using up the calcium and alkalinity to build their exo skeleton does this in turn lower the salinity and the ph? Sent from my iPhone using Aquarium Advice

I was doing a water change and a bit of aqua scraping the other day and found this star that I had never purchased so has come in on live rock. I think it's a brittle star of some kind and don't think that it is bad but would like a second opinion please. Sent from my iPhone using Aquarium...

I have been battling green hair algae for several months now and have tried almost everything to get rid of it. I pull it out with every water change turn the rocks upside down, have seachem phosguard in a container where all the tank water is pumped through but it still keeps on growing back...

I'm having trouble keeping tangs alive. I added a Naso tang a few weeks back and he died within in 24 hours without reason so I put it to stress. I got a kole tang on Sunday 2 days ago and now he's barely alive sat in a cave breathing heavily. There is no sign of ich or disease. I acclimated as...

I brought this tang yesturday and acclimated him and after 5 minutes his colour came back and he was happily swimming around eating the algae growing on the rock but I came home from work today and he's lying against rocks with his fins up and colour completely different. this was him happy and...

I was sold this tang as a lipstick tang and was told the colors would come as he gets older but I'm not so sure of this. Sent from my iPhone using Aquarium Advice

Hi, I am going to paint the room with the tank in and was wondering if it's ok to just cover the tank for the night to protect it from the fumes.

I added a kole tang on Sunday (4days ago) and now has ich. I also set up a qt tank on Sunday but I am worried to transfer all fish to it seeing as it is not cycled. I know the only way to beat the ich is to remove all fish for 6/8 weeks and treat with copper. I have a sponge in my display tank I...

I had bad white spot and it killed all but two fish. Those two fish didn't even get white spot where as all other fish had it badly and died no matter what I done to help, I didn't have a quarantine tank and copper wasn't an option. I tried oodinex but all that was good for was dyeing my clear...

I have recently upgraded my tank to a bigger tank and upgraded lighting to leds ect but am not having much luck. I've now got an outbreaks of white spot and there's this horrible brown stringy slime growing off the rock only directly under the lighting. I know the obvious solution would be to...

I have been building my own tank as it's easier to get past the girlfriend problem this way. It's a lot cheaper and hopefully isn't risky. Here's some pics let me know what you think.

coral I'd not sure what the green thing on thenleftnof The tank is

What's your thoughts on using oodinex to treat white spot. I don't have the room or time to make a hospital tank not sure what else to do

I have a sand sifting star fish that's loosing his legs and I don't know what to do. I have a 20 gallon tank and all params are good I'm not sure if its starvation being eaten or I changed te rocks around a couple weeks ago and maybe I trapped him under a rock and he lost them to escape. Do you...

I just done a water test to find why the ph keeps dropping off slightly. I done a 25% water change yesterday as I do every week. I tested the ph just before and it was low at 7.8/8. After the water change it was at 8.2/8.3. I tested it again today to find it was back to 8. So I tested everything...

I brought a tank about 8 weeks ago now and it did not had a skimmer. When I asked the guy about getting one he said that I did not need one as the tank was small the skimmer would be small and pointless. My tank is 20 gallon and have not yet had a problem. I have been doing about 1/3 water...

I think my tank has white spot and need advice. I don't have a quarantine tank and I have corrals so don't want to use anything to harm them. I have 2 clowns with white spots on their bodies and fins and a flame back angel with signs of white on the end of its tail fin. I've put I'm garlic...

I have red hair algae but not sure on what's caused it and how to get rid of it?

Yesterday was the first day I had the lights on properly all day. And the temp rose from 24.5 to 26.9 I have 2 corals and 2 cleaner shrimp and a flame back angel. Will the temp changing like this have a big effect? I also want to install 2 fans in the lid to take the heat away from the lights as...

Got a jasmine polyp the yesterday and it was out all day today but when the lights went off it closed up. Is this normal at night? I also have a pulsing Xenia that was out all day and randomly closed up.

Hi, I am new to this and this is my first tank. I have a 20 gallon setup and its been cycling with live rock for 8 days now. Is it normal that the levels are unchanged since day one? My ammonia is 0.25 nitrite 0 nitrate 0 ph 8.2 and temp 24. I have also found a small white starfish 2 baby...