Topic: 有冇人成功使用底沙過濾法? |
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Posted by: stainboy Posted on: 2004-11-23 15:19 請問有冇人成功使用底沙過濾法?因本人想換大tank,80".考慮緊用正常沙底或底沙過濾(沖水層).thanks! | |
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Posted by: 改進中的小丑魚 Posted on: 2004-11-24 00:45 成功又唔好咁講，不過我係珊瑚缸用充水層都keep到no3<5，可惜後來俾隻槍蝦搞垮左個充水層，要等他日再set過個缸時先再會做過個充水層。 | |
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Posted by: HowCome Posted on: 2004-11-24 09:57 改進中的小丑魚, how deep is your 充水層, how many inches of sand totally??? how is it set up ? | |
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Posted by: brianhomer Posted on: 2004-11-24 17:46 According to foreign expert, the sand bed are divided by 3 layer from top 1 inch depth the snad is no special but keep the fishes ways or bigger particle covered underneath around 2 inches to 4 inches depth, tha sand stored some germs which is reacting with oxygen and knock down the big particle size or change the solid rubbish into soluble. At last, further 2 to 3 inch sand is good for some germs which doesn't like oxygen, this is definitely necessary to change the TOXIC NO3, NO2...etc into non toxic chemical. All the captioned transfer is using diffusion method, the cycle will be non stop, but not too fast, thus, a thicker sand bed say 6 inches is good. My case, i am using 36" tank, 22 inches height, 18inches depth. Now NO2 and NO3 is keeping at a very low level, eventhough my tank is quite congested | |
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Posted by: 改進中的小丑魚 Posted on: 2004-11-25 00:24 HowCome wrote: 改進中的小丑魚, how deep is your 充水層, how many inches of sand totally??? how is it set up ? 可以去我個tank log睇下 http://www.aquarium.org.hk/cgi-bin/ch/topic_show.cgi?id=10311&pg=3&bpg=5 | |
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Posted by: stainboy Posted on: 2004-11-25 12:19 thanks brianhomer and 小丑魚兄 照brianhomer所講第一層與第二層沙要有2-4吋,但鱼兄你的沙缸係各1.5吋沙層,效果會唔會有所不同呢?因資料講沙層太厚會做成死水層,而太溥又沒作用,仲有就係講到最好加隻會反沙的生物,作用令有小量氧氣進入底層沙,各位意见如可? | |
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Posted by: 改進中的小丑魚 Posted on: 2004-11-25 16:22 stainboy wrote: thanks brianhomer and 小丑魚兄 照brianhomer所講第一層與第二層沙要有2-4吋,但鱼兄你的沙缸係各1.5吋沙層,效果會唔會有所不同呢?因資料講沙層太厚會做成死水層,而太溥又沒作用,仲有就係講到最好加隻會反沙的生物,作用令有小量氧氣進入底層沙,各位意见如可? 我估沙層厚量要非`視付水壓而定，我個缸得18吋高，所以1.5吋都ok 加反沙動物要小心，我就因為加左隻槍蝦，俾佢剪破我個沙網，揹到我d沙亂晒。個新缸就種紅榭。 你可以去睇下p兄d大作，好有幫助。 | |
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