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I have a GHA problem, nutrients are probably coming from a dry white dead rock I added to my 20g... Will Emrauld crab help with this situation ? Water changes doesn't seems to help... NO3: 0 ppm PO4: 0 ppm

Just bought this sea urchin... It's a short spiked... Don't know if it's reef safe, but the dude at the LFS told me thoses ones are usually reef safe.. Can you ID that thing ?

I want to kill my torch !!!! It's doing this with corals around.... HOw to prevent this ? I've cut thoses tentacles, but some new are doing the same thing...

I killed all my liverocks because I had an infestation of this: Now my rocks are cured, cycled, put them back to the tank, and I found a little thing that look close to that, with whites balls on the tips of the tentacules... What's that ? Look like this too, but a bit more transparent...

In my 20g, I got a badluck, a kind of white string slime jelly bacterial thing growed everywhere, going to the water colums and clogging all my equipement... Powerheads, Fluval filter, the filtration pad is a big block of slime thing, my HOB protein skimmer output jammed, so the water level...

(Sorry for long loading time) Hi, look at this mushroom coral... It usually looks like this... Now he lost a bit of color, and usually look healty... He's always open when there's light... But this is the second time I see him do this... He did that there's 6 months.... And now it do it...

Hi, I recently tested my water. I didn't made a WC for 2 months in my reef, but I keep dosing NOPOX and running GFO to keep nitrates/phosphates unreadable. I just noticed my chemistry seems not ok... Alk: 5 dKH° Ca: 390ppm Mg: 1200ppm... PH: Seems ok at 7.8 - 7.9 Should I raise them all ? I...

Hi, I just bought this coral tonight, and I have no idea of wich species it is... I guess a kind of pagoda or maybe a kind of weird duncan... I guess this is a LPS. For the birdsnest flow, here's a video of how it move... What's your opinion ? Thanks

Am I overstocked? Tank running since 1.5 year, 30g. (3ft. large) 10 rummynoses 10 killie lampeye 7 cardinalis 7 tetra neons 8 pandas corys 8 cherry shrimps 10 amano shrimps 1 siamensis Params before a monthly WC: NO3: <20ppm PO4: undetectable. The tank is heavyly stocked with plants, the...

Hi, are these corals a kind of mini duncans ? Thanks

Hi, I just found a digitate hydroid (white string), clearly a digitate hydroid growing ON a zoa polyp... It was on the external 'skin' of the polyp... That was the only polyp to be always closed on the frag... So I just used tweezers to remove it... trying not to damage the single polyp... But...

Hi, need help ! Here's my situation. Hi have an unknown pest: Hydroids or stranges parasites looking like aiptasias. I have a 20g, with 20 pounds of live sand and 20 pounds of live rock. My idea is to kill ALL my LR with javel or something else (boil?). Here's the question: Is the live sand...

Hi, what's this ? This seems to kill my zoans colonies... This is growing everywhere... I didn't added anything to the tank since 5-6 years. I bet for aiptasias, but I don't know if a peppermint shrimp will eat this specific species....

Hi I think this is a torch, but the guy at the LFS says that's a frogspawn... What's your opinion ? (Sorry for long loading time)

Hi, I just made a footage video of my aquariums, reef and freshwater... I'm just not sure about the flow for my corals... They seems to be growing since months, but just want to know if there's something I can improve... - 20g - R420R 60W LEDS 16000K - 50-90g SWC protein skimmer Ca: 440 Mg...

Hi, I ordered Furan-2 to dip my zoas, as they all have whites spots on them. Unfortunately, one of the rocks is covered by both zoas and mushrooms... Will they survive Furan-2 dips ?

Hi, I have a frogspawn since 7 months. I started the hobby since 8 months (rocks were already cycled). The frogspawn is now dead... It was placed near a torch coral (same water flow and lighting), but the torch is still in great health. I don't understand why my FS is dead, it was not...

Hi, I have a multi species zoa rock, but when I bought it there was a lot of mini mini mushrooms of all kind on it. Now thoses mini mush are so big that they cover all the zoas... Do you know how to "cut" them so they'll be able to grow back in the same spots ?

Hi, I just found this little worm on the glass. He's moving slowly like a worm. There's two antennas in front moving with the waterflow. Are they harmless? It was really hard to take a good pictures, as he's so small...

I have find a kind of larva in my aquarium, I took it in picture before killing it. What's this ?

I drank 1 good mouthfull of tank water during a water change, I used my mouth to prime the tube for doing water change... :( My tank is a zoa dominated tank... Does the water contains palytoxin or I should be ok ? Don't want to finish at the hospital tonight :( I don't feel anything not...

I found this on a reef of a dude, and we both don't know what it's. For people who don't want to do manual crop: This doesn't like any form of zoas or palythoas IMO. Medusa? Fan worm species ? I really don't have any ideas.

I have my hammer for 2-3 months, it look like this... This is the only coral looking poor like this in my 20g setup... Initially it was really healty. Same lighting and placement (bottom) for this torch and look really happy... Params: Temp: 26C° PH: 8 Alk: 9 dKH (stable) Ca: 450ppm...

Hi, I bought a hammer there's 1 month. It was healthy first, but it seems decreasing slowly... What usually cause some tentacles unflating ? Here's some pictures, it's always the same part of the hammer that is affected. It do this since 1,5 weeks. Ca 450 Mg 1400 KH 8.4° No detectables...

Are those amphipods ? I think they prevent my mushs from opening... Some mesure 0.5cm And what are thoses too they're thousands on my rocks...