DEAR ALL,
I AM A NEW COMER FROM HONG KONG, I FOUND THIS SITE ACCIDENTALLY WHEN I WAS SEACHING FOR CORAL REFERENCE BOOK OVER THE AMAZOM.COM.
THIS SITE IS REALLY A TREASURE FOR ME AS A BEGINNER IN CORAL REEF AQUARIUM!!
I HAVE BEEN THINKING OF SETTING UP A SMALL (<24 INCH) CORAL REEF AQUARIUM AND HAVE READ ABOUT THOSE EXAMPLES AND ARTICLES IN THIS SITE. HOWEVE, I STILL CAN'T DECIDE WHICH TYPE OF FILTER SYSTEM TO USE, SEEMS LIKE 活砂缸 IS GETTING QUITE POPULAR, I DO WANT TO TRY BUT IS IT SUITABLE FOR SUCH A SMALL TANK?
ALSO I AM NOT SURE IF I CAN FIND A SHOP IN HK THAT SEE THE 活砂, IF I WANT TO GET THE SAND FROM A BEACH, IS IT POSSIBLE? AND WHAT SHOULD I DO WITH THE SAND BEFOER I PLACE IT INTO THE TANK?
THANK YOU VERY MUCH FOR ALL YOUR ADVICE,I KNOW THIS IS A REALLY LONG MESSAGE.
DrSnake

其實小的缸子原本就照顧不易
要講用何種方式來當過濾我想對小缸都很麻煩
假如要使用活沙我倒覺得也不錯
再加點活石加強一下
是很不錯的
但是雖然小,還是要多花心思照顧
活沙可以去海邊取得
找一個附近有淺淺的礁群的地方
挖一點沙即可
和新的珊瑚沙拌合使用即可
取的時候回程時間不要多太久
以容器裝沙後用點水淹過沙層一點點
並視情況以冰塊保持溫度
運回後直接入缸即可(活石也可以海邊找看看,一樣要保溫)
但初設缸之時最好不要加給缸子過多的負荷
就是生物不要加過多,包括活石活沙都一樣
因為這些入缸後都會死傷

thanks very mcuh for your advice!
I have just designed a 24 inch tank for the 1st time, cosisting both
底部過濾 and 活沙 and 活石加強. it is because I am afraid getting 活沙 in Hong Kong is not that easy ( I asked a shop if they have got any and they told me that tey can sell me their own but cost me HKD $60 per lb. That would be very expensive if I am going to have even a little 24 * 13 * 17 inchs tank) so I want also to add the 底部過濾.
I have see some comments from other messages in the site that combination of these filtration methods is not that good as It may not be easy to get a balance, is that true?
Thanks again!

一公斤要折合台幣480元
簡直是神沙
是否放入後可不加海水養珊瑚嗎??
這價格實在太貴
種沙不用加太多啦
用來撥種即可
再者一般業者所謂的活沙是他較老的缸子的沙而已
跟我們所談的種沙完全不一樣
24 * 13 * 17 是指長寬高60*33*43嗎
那大約用個1-2公斤的活沙撥種即可
再者其實要是你不覺得不便你可以直接像國外訂種沙
國外也是有賣的喔
其實活沙我不認為很容易
是架設很容易而已
但是一些細部的維護我覺得是要用心
要把他當事一種生物飼養
他不是一個過濾器
髒了拿出來洗,壞了換一個
所以新手我會擔心較不易控制
或是說基本上要把活沙設置到一個程度
還可以
但要再往上加分
就得多做點功課了
不過常去注意缸子
其實倒也不是說不能玩玩

hepatus: thanks for your advice, the shopkeeper exactly told me that she will give me the old sand in her tanks. and i found that it's not the same as mentioned in the site, at least the sand in the shop does not contain any bugs or creatures to roll the sand.
actually I also own a little (16 * 12 * 6 inch) FO tank at the moment, I believe the water quality is quite good and I do want to try to add some greenish alga, which type of alga would U adive? currently, there is 5 crown fish and 1 strawberry in the tank.
Thanks again!!!!