水草情迷

如果養上水面吸空氣的魚,例如(白鼠,豆丁鼠),係唔係猛開co2都得?

No! Never try this,
because they will die also if there is not enough oxygen in water.

如果要co2多到可以焗死魚, 要好多至得, 仲要溶哂入水

含氧量不足, 鼠魚會好辛苦 :04

曾看過外國的養魚雜誌談到這個問題，提到水草缸是不需在夜間關上co2的，因為若水草的功能正常的話(先決條件是光照及養料平衡足夠)，缸內的溶氧量經過一天之後是會非常高的，達到 120-130%，是最強勁的氣泵都難以做到的，故此就算晚上，魚仍是有足夠氧氣的。當然，co2 的放入量及魚數量亦要合理，太多的確是會焗死魚的。

以我自己的意見，大缸不停打co2是ok的，因為有朋友一直都是這樣，但若太小的缸子，例如16吋或以下的，我就建議各位自己做做實驗先，比較一下晚間開氣泵與不開氣泵的結果。

Yes. I agree with 史卡德
In fact, my DIY CO2 system generated CO2 for my 20" tank in 24 hrs since it is very trouble to stop the CO2 for DIY system. However, everything is still ok. In my point of view. It is depended on how many O2 generated in day time which is related to how many plants and fish that u keep?

I am using 16" tank,
I have an experience, 3 second for one CO2 bubble is Ok!
But I have another experience when I turn the nobe too much, the fishes are all in suffocation.

我個12吋細缸都係21小時長開，不過係DIY既，入邊都有好多草，但係魚就比較少～

星期三不小心下將CO2微調較得太大，
魚兒一天天慢慢地離開，生存的都好像呼吸困難矢去活力。
問各位現在仲有沒有得救？
但anyway, 己決定不貪一時便宜，慢慢長著CO2算了。


死者名單：鼠魚、燈魚、藍袖、飛狐。
待死名單：酋長。

如果沒有時間製加電磁閥去控制開關, 在晚上就不要"猛開" co2, 不然早上會很慘烈的. 要長開, 還是慢慢的吧.

wwhk bro.

you turn your CO2 to 3 bubbles a sec seems too much for your size of your tank

one bubble per sec should be enought

wwhk,

出事後你有沒有儘快打番氣？應該可以救回部份的魚。

其實我都即刻打氣，
但我不知道牠們雖然救得倒，會否大傷元氣，或者會比較容易感染。
因為我發覺牠們有D會慢慢地離世。

我今天已換了水，希望有改善！

Below forum may help.

http://www.thekrib.com/Plants/CO2/night.html

I keep 2 bubble/sec. all day under KH 6 is OK with DIY CO2 in small tank (30”). But for large tank with low KH, I think it may safer to generate little surface movement (maybe only at night) to increase gas exchange on water surface, in order to keeping CO2 content in water not too high.

As stated in krib’s forum, high CO2 water (higher than that of fish blood) can stop gas exchange in fish grill even with high O2 content.

Actually I see some large plants tanks in fish street keeping generate surface movement by power head even at daytime.

其實氧氣也很重要，日本也有出氧氣機。東x以前也大肆宣傳過。
P.S. 超兄，點解次次貼文都要重新登入？