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I've uploaded some pictures of my live rock and how it is covered in algae. I have a 40g reef tank. Two weeks ago I completly cleabed the algae and now they're back. My nitrates and phos. are under 1ppm. Please help with id of what I'm dealing with here and of course advice on how to get rid...

Hello! I'm planing to start a new FO tank to host some not reef safe fish. I don't want to use live rock in the display tank as it is hard to care for (I will put some in the sump for filtration). I came across Instant Reef artificial decorations. Their website sounds good but I was wondering...

Hello! Pls. look at the pictures. Seems that half of the coral is dead :( Any idea why? The rest of the corals/fish are fine and the water parameters came out good. What can I do? Pls help! Imageshack - co008u.jpg Imageshack - co011.jpg Thanks!

I think I have a case of Cryptocaryon in my reef tank. My flame angel has two white spots on the caudal fin and my yellow tang has one on the dorsal fin and one on its body. I've also seen them scratch against objects in the tank. Apart from this, they seem ok (they are eating, swimming normally...

I've been reading that artemia doesn't have too much nutritional value and that it is not a good food for my saltwater fish. What about "Ocean Nutrition Super Shrimp"? Is that ok? They say it is Enriched Brine Shrimp with Omega-3. However, they don't say how they've enriched it?! It is not gut...

This morning I've found one of my fish dead, my Salarias fasciatus, and I cannot understand why. I have a 40g reef tank. The system is 8 months old, the water parameters are ok and the other tank mates seem to do fine. I have another 2 occellaris clowns, 2 dartfish (Nemateleotris decora), 1...

Hello! I have an algae problem in my 40g reef tank (a lot of green hairy algae growing on my live rock). I keep removing the algae by hand but it grows back imediately. Also the glass gets completly green in max. 2-3 days after i clean it. I have no slime algae (ciano or diatoms). I have...

Any idea what these white polyp like creatures are? They are growing on mu live rock and they seem to multiply in my tank. Thanks picture 1: or http://img36.imageshack.us/img36/2778/photo3ml.jpg picture 2: or http://img412.imageshack.us/img412/313/photo2cz.jpg

Hello! I have started my new 40g reef tank one week ago. I used 33 lbs of live rock and I also added some fish flake food daily. Still, I can get no reading of ammonia, nitrite or nitrate. How can that be? What can I do? Thanks!

Hello! I've just started a new 40g reef tank. I'm planing to cycle it with live rock. The question is: is it a good idea to add some old aquarium water from my existing tank in order to speed up the cycling process? Or will it do more harm than good? Thanks!

my zoanthus polyp colony are not opening properly. just some of them are opening and even those not fully. what could be the reason? i know i have enough lighting and the water parameters are good. the photo is not great ... but maybe someone can help me with this problem. thanks!

can anyone tell me what kind of mushroom coral I have here? i cannot find it anywhere.

Hello! Should I feed my soft corals? I have zoanthus, palithoa, cladiella and mushroom soft corals in my 10g tank. I have never fed my corals. Yesterday, I have received a free sample of Nano Reef Coral Food fom Ocean Nutrition. Should I feed my corals with it? If so, how often should I do it...

There is a long white worm on my cladiella coral. What is it? Does it harm the coral? Thanks!

Hello! I've just purchased 2 ocellaris clowns one week ago and added to my 10g nano reef tank. At first everything seemed ok ... they were eating and swimming normally. After that one of them did'n want to eat anything. After a 1-2 days the other also. I've tried to feed them granulated food...