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Does anyone know if it's safe to put a moon Wrasse in a tank with a shrimp, or will that be dinner?

Valonia Problem I have a severe problem with an infestation of Valonia in my Reef Tank. Brief summary of tank: Approx 735 litres (200 gallons) tank with refrugium. Temp about 25 – 26 degrees C (78 F). Has a U.V. filter, protein skimmer, chiller, 2 heaters. Phosguard in the...

I have Green Glassy bubble Algae spread throughout my tank. Is there any way of controlling this?

Hi I have a 200 gallon tank with lots of different fish, including 1 Bangai Cardinal. Can I get more of these? It says on some websites that cardinals can be aggessive towards their own species.

3 weeks (or so) ago I did what the books say not to do and got a yellow tang abou 2 weeks after getting a purple tang. The purple immediately started beating up the yellow. About a week and a half ago I caught the purple tang and he's living in the sump (I've put some rock etc in there). How...

I had a severe brown stringy algae problem 2 weeks ago (water chem all good, no nasties) and I got rid of it by turning the lights off for 48 hrs (didn't hurt the corals) and then added a UV filter. No brown algae at all now. Thanks to all who offered suggetions.

My new Lieutenant tang has developed brown speckled patches over his body. He was only I the tank about a week. After about 2 days I finally managed to catch him and he is now in a quarantine tank dosed with copper. That was about 2 days ago and it seems to have spread more across his body, but...

Today I'm going to throw caution to the wind and turn the lights off for 24 hrs to try and get rid of the stringy brown algae. I'll put what corals I can remove in the sump where the lights for the Caulerpra will shine on them, the rest will have to remain unlit. See if this knocks back the...

Hi I've done what the books all say not to do, I introduced a yellow tang AFTER a purple tang was aready in here. You can't always dictate what order the fish arrive! Anyway, the purple beats up the yellow tang using the spine on his tail stock. I can't catch the purple so I have put a dividing...

I have a 730 litre marine tank with fish and corals, its about 6 month old. It has a refrugium. Now I have brown stringy algae over everything and I am brushing it off daily but it comes back. It's a soft, almost slimy algae. Please help!! Vick:(

I have a 750 litre tank with a refrugium. I have had tropical fish 15 years ago but not corals. I have 1 anenome, I had 2 but one went through the power head. The other has never been that great either, it doesn't seem to want to eat and looks pretty sad. The clowns ignore it. I have 3 clowns so...

I notice my new Bi Colour Blenny changes colour whenever I add Calcium, KH or in fact make any changes to the tank. He gets white stripes and white patches at the corners of his mouth and his little head horns go white. Once the tank balances again it goes. Is this normal?:confused: