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I plan to set up a deep sand bed, have a 9 kg live sand and a 20 kg normal sand grade 0, the normal comes in 10 kg a packet. My question is, where should I place the live sand? At the bottom, then normal sand on top, or at the middle with both normal sand below and on top, or should I place the...

Are T5 lights able to support cocrea clams? (the light hood is 2 x 24 wattage T5 bulbs, 2 feet tank)

My flame angel have been doing well for months, but today, its skin seems to be some peeling, not a lot, but its quite visible. What causes it? I don't have a pic. My water specs are ok. And I feed them with different things everyday, mussles, blood worms, mysis/brine shrimp, plankton, flakes...

My friend started dripping kalkwasser few months ago, and he find out that there is a purple slug suddenly in his tank. Where does all this stuff like snails/slugs come out from after dripping kalk? Is it LR? And what is the purpose of coraline algae? Just for adding beauty to the tank or there...

Do purple slugs (I don't know its name, but its purple in colour, like a shape of a small boat) prey on sponge? I have a purple sponge in my tank, is it advisable to add a slug?

One of my fluorecent green mushroom (disc anemone) moves away from its own LR (there are lots of them on the LR, but only this moves) and drop on the sand. It grows there and seems to love it, but why did they moves? My water specs are alright. And light level is also adequate. But there is...

My purple sponge have some peeling, why did this happens? Is it because it was contacted to air? But I did try my best to reduce the time it contacted to air to a minimum when I transfer it from the bag to the tank. And do they need light?

Would a dwarf flame angel and a dwarf bi-colour angel be compatible if housing in a 40 gal community reef tank? The flame angel is already in the tank.

I had already fixed up all things for the sump, now the only thing is that how do I start the whole tank of water in the sump? Can I just mix salt and set to the same sg as the display tank and let the salt completely dissolved and start the sump? Or I have to go through the tedious cycle of NH3...

How do I feed a christmas tree? I just gave them liquid plankton now, is it enough? And how about its health? How to indicate its health? Mine is white in colour, I place it according to what the LFS owner told me, in a quiet corner, with or without lights is not important.

I found this I-box in my LFS and find it quite useful for people who wants a sump but does not have a hole in your main display tank. http://www.sgreefclub.com/forum/index.php?showtopic=10336

I just transfer my purple tang from QT to the main display. :D How long would it takes him to get use to the environment? Because in the QT, there are no other fishes, so it get use to it fast, but there are 7 fishes including him now, he does not swim around much as he looks quite afraid of...

Is there any solution for adding iodine to the tank? Any one uses any iodine suppliments? Or do you just perform water changes to increase iodine level? If there is iodine suppliments solutions, does it need to use the drip method to add to the tank like kalkwasser? Or we can just pour in the...

I bought the branched alveopora coral today, it was very nice and open fully at the LFS, but why it keeps on hiding all its tentacles in the hard shell when I place it in my tank? Is it they need time to acclimate to the surrounding? I just saw their tentacles out today, but at the LFS even the...

How to see if a mushroom corals are healthy or not? Mine is the luminous green (should be call disc anemone mushroom corals, but not too sure if the name if correct).

My bulb tip anemone went in a pile of LR, the LR is in a way that its stack up in a "n" shape, and it went into that, which have very little or should have said 100% not enough light, what should I do? It has been doing fine in its own place for very long, only today then it started to move in...

Clams can help to keep water quality in good condition? Can it reduce NO3? Can I place it on top of a LR? Or it must be placed on sands? BTW is it compatible with cleaner shrimp or green wrasse? And what will hapen to it if there is lack of calcium? Will it die?

I know that there are a lot of posted post regarding the layer of oil floating at the surface of the water, which I know its DOC, but I can't find any post using the "search" link. I would like to ask if there is any way to remove this DOC besides using a skimmer? Because my skimmer is not a big...

Hmm, I placed a maiden's hair plant (turtle grass) few weeks go, around 3 weeks, but my NO3 level remains the same, is it useless in reducing NO3? Or it needs a large quantities in order to works?

Can fishes faeces tell whether a fish is healthy? Is it white faeces means fishes are unhealthy and brown faeces means fishes are healthy? Or fishes health cannot tell through their faeces?

If I use for example "x" brand salt for my tank at 1st, meaning I uses this kind of salt for setting up the tank, and I also uses it to do water changes for few months, and now I had another brand, for example brand "y", is it advisable to use it to do water changes? Or I should not mix salt brand?

My wooden air stone for the small protein skimmer seems to turn black, and the bubbles it produce (the air pump is on with the same power) is getting lesser, does this means I have to replace it?

Is there any way to stop anemone from moving to the power head suction part? I don't know why but they like to go there. BTW why my anemone tip is turning red? Its actually white in colour. And I have a clarkii clown and maroon clown in my tank, they fought for 1st day when I just place in the...

How to train fishes to eat vegetables from veggy clip? I tried a lot of times with marine green seaweeds (nori), but they don't dare to get near the clip. Is it because their size are too small? My largest fish is the flame angel. Or is it because they don't like this kind of food? BTW what kind...

Hi guys, I bought a bottle of kick ich solution which can be used even with corals/invert. Its brand is Ruby Reef. The front cover: kick-ich, for treatment of freshwater and marine ich. Safe for all fish, corals and invertebrates. The back cover: -Biodegradable. -Safe for Nitrosomonas...