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hi, guys Anyone has a suggestion on how to trap this fellow? It's killing my bottom dwellers. It has already killed my royal gramma, yellow watchman et al. Need urgent help. Tried to trap it with a bottle with inverted top.... no luck... it's too smart to fall for it. The trap has trapped and...

My flame angel suddenly starts to keeps to the bottom of a corner of my tank and refused to move anywhere. No sign of injuries of any infections. Wonder what's going on? It doesn't look too good. Not as alert as before. All my rest of the livestocks are doing great. Can anyone advise me on what...

anyone has experience to save the acropora from this? my acropora has been in my tank for about a month and the colour has been dull and i've observed slow RTN recently. i'm using T5 lighting and the acropora is placed near the water surface and is near an outlet from my filter where there's...

my green bubble has been doing well in my tank for a week and half of it starts to shrink up. the other half is still opening and i can see the half that is closed seems to be losing colour. my water parameter is ok and all the rest of my bubbles and other corals are doing great. it could be...

Can someone enlighten me what's the difference between the cat-eye bubble from the normal ones? Would appreciate if you can post a pic too. Thank you.

Thinking of getting a black tang. Anyone has experience with this fish? It seems to be very sensitive.

I'm thinking of revamping my whole tank aquascrapes but I'm not sure will this be too drastic a stress for my inhabitants. I need to do this because it was done properly at rocks are not very secured. Furthermore, I think I've some dead space behind the tank which is not desirable. How can I...

One of my yellow tang turns very pale. It's still swimming around but likes to hide behind the rocks most of the time. It's still feeding but minimal. What's wrong? All my other fishes are doing fine. Is it down with some kind of illness? :(

I've been trying to use the salifert coral stick to stick hard corals and ricordia mushrooms on rocks but the result is rather disappointing. I've managed to attach some with super glue then use the coral stick as secondary paste. Can anyone recommend something good that can bond underwater and...

My brother has recently started another 4 feet tank. He didn't wait for the tank to be cycled and added several fishes and they died with body full of red rashes. I've tested the nitrite to be around 1ppm which is not high enough to kill in this way. Only 2 blue damsels are left. All butterflies...

I've 2 yellow watchman gobies for months living peacefully till I introduced 2 tiger sleeper gobies. The 2 yellow killed the smaller tiger. I need to decide which to keep. Which is a better species for me to keep? I've DSB and my tank size is 50 gallons. My intention for the tiger sleeper was to...

Anyone seen a centipede-like worm creature before? I found it crawling on my goniopora. Wonder whether is it a parasite. Too small to take a decent pic.

I've been having high calcium level ~600mg and has not been successful in bringing it down. I understand that the optimum level is 420mg. Will high calcium affects my corals or fishes? I've DSB of about 3.5inch. However, my tomato clown and the blue damsels keep pushing the sand towards the...

Hi, I've trouble deciding which chiller to get for my tank. Can anyone share with me bad/good experience with any brands? I was looking at Eido, Arctica, Eclima and Aqualogic. However, Aqualogic seems not available in my country. I've read that Arctica and Eido have models that are...

Anyone tried the above? It's some kind of 2 part epoxy. Is it safe?

Anyone using this chiller? My tank is a 50 gallons and I've this chiller running for a couple of days but the temperature remains at approx. 31.3 degrees celsius. It was 32 degrees. I was told to set the initial temperature to around 16 degrees to speed up the cooling process and tune it back...

I have a flame angel which I've put into the QT for the past 4 days. Started to eat a little till this morning when I noticed that it starts to swim in a very weird manner. It seems to be swimming with only the front fins and its tail is just "dragging" along. It has also showed a little sign of...

I've just recently added a DSB to my 3 months old tank. All seems well and I can see worm-like creatures tunnelling in the DSB. However, I just noticed a little bug "hooked" on 1 of my yellow tang. Can anyone assist to identify this "stow-away"? Is this harmful to my yellow tang?

I've been having my reef tank for approximately 3 months. The tank is fully cycled. Recently I was told that my filter turnover rate is too low. I've read that the optimum water turnover rate should be around 8-10 times the tank volume. Should this be the water flow rate in the tank or the flow...