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作者 HELP! - New Tank setup 10 days - low nitrite, high nitrate!
richileung





文章: 7
 1 于 2005-07-04 22:42  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Hello everybody!

I have a new tank setup - 10 days - Full of live rock and three fishes... >.<
The nitrate level is very high 40 ppm(mg/L) but nitrite is very low 0.25ppm(mg/L)?!??!...
Ammonia is very low too - between 0 and 0.1 .... >.<

Please can you tell me what I am doing wrong and what I can do to save my tank & fishes!!

Thank you!

Please resply in English too as no chinese on this computer!
Thank you


richileung 修改于 2005-07-04 22:45
clownfish
大粒星
大粒星



文章: 2681
來自: Malaysia " Penang "
2 于 2005-07-04 23:25  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
 do some water change first to save your fish,
at the begining it is normal,


喝了莫莫查查,唔再朦查查
clownfish
大粒星
大粒星



文章: 2681
來自: Malaysia " Penang "
3 于 2005-07-04 23:27  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
N-cycle
http://www.saltwater.8m.com/nitrogen.htm


喝了莫莫查查,唔再朦查查
richileung





文章: 7
 4 于 2005-07-04 23:39  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Hey thank ou Mr. nice guy!

But I have two questions :
1) Nitrite (NO2) should occur first before Nitrate(NO3) correct?
2) If yes then why do I have low NO2 and skipped to NO3 so quickly?!

Also I have one more problem...

One fish is missing - I think it is dead (it usually swims around)... I cannot find it.. do I need to find it? It is about two inches long.. so quite big..


Kenny





文章: 2286
來自: Shatin, N.T.
5 于 2005-07-05 10:22  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Two kinds of bateria are active in the N-cycle. One kind take the Ammonia(NH3) as food and thus produce Nitrite(NO2), another kind transforms Nitrite(NO2) into Nitrate(NO3). NH3 and NO2 are toxic for the fish while NO3 is less harm on them. Therefore, when you check and find that there is low NH3 and NO2 in your tank, it means the bateria in the tank are enough(up to the current situation) and doing well. As a result, NH3-->NO2-->NO3, you'll find the amount of NO3 gradually increasing. Owing to there is no bateria to transform the NO3, if your tank is a FOT, the easiest way to remove NO3 is water change. If it is necessary, just change water more frequently to reduce the amount of NO3 in your tank.

Some fish may hide inside the gap or under the rock when they are weak, and thus died there. If there are no too many rocks(dead coral) in your tank, then, you can try to find it out. However, if you find that it is too troublesome to do so, you can also ignore it, let the bateria help you to digest it.


Kenny 修改于 2005-07-05 10:24
養魚係一個贏贏的遊戲---a Win-Win game. You can win, I can win, all of us can win in the game at the same time. ^^
richileung





文章: 7
 6 于 2005-07-05 11:29  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
*clap*
amazing..... very amazing ...

I bow to both of you for your knowledge .... thank you~
I think these forums are very good~ better than other ones *hehe*

One more question (sorry)......

My first cycle has not completed yet (correct?) so is it a bad idea to change the water as this will slow down the cycle ? And when do I know my cycle has completed?! I read in the articles that NO3 is high and ammo, NO2 will be low which is the sign that the cycle is complete ~ this is what my tank is showing - does it mean its complete?...

sigh.. my poor fish. I think its a green hawkfish~ very very cool but it has died sad from too much NO3 maybe~
My Harlequin tuskfish seems to be doing fine smile but I will water change tonight.. thank you for your advice again people.. ^^


clownfish
大粒星
大粒星



文章: 2681
來自: Malaysia " Penang "
7 于 2005-07-05 15:48  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
for a new tank normaly it take around 1 months to complete the N-Cycle,
but since your tank had a lot of LR.
it is possible that it complete the First N-Cycle.

but any how i would suggest that you keep on monitor your tank status to comfirm it.

further more N-Cycle complete does't mean that u can introduce a lot fish into tank. it still have the limitation,
for new tank better slowly " add fish "
i prefer 1 by 1 lor big smile

some time fish may also cause by itself problems.
normal they r catch by poison sad


喝了莫莫查查,唔再朦查查
Kenny





文章: 2286
來自: Shatin, N.T.
8 于 2005-07-05 17:01  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Generally, the N-cycle takes about 1~2 months to complete. It is said that a big amount or frequent water change would slow down the completion. However, if the situation is getting worse and you want to save your fish, it is a must for you to change water. On the other hand, it is also said that when you find the NO2 in your tank is from high level decrease into a very low level, and brown algae starts to grow in your tank, then the cycle finished in the tank.

From my point of view, N-cycle is that : You introduce fish into a new tank, Ammonia is created and thus led to the growth of the N-bateria. When the increasing amount of N-bateria is adequate to digest/transform the existing/increasing Ammonia and Nitrite, then the N-cycle is adult(completed) at that time/situation. However, even the cycle is said to be completed, it doesn't mean there is no problem. If you suddenly introduce a lot of new fish or some very big size of fish into the tank causing a rapidly increase of work-load for the bateria, and they can not reproduce enought amount to due with it in time, NH3 and NO2 will accumulate and thus breaks down the system. Therefore, it is never finish or end, just performing well or not. How can they performing well is also depending on the rate and size that you introduce fish.

Generally, fish can tolerate NO3 unless it is very big amount. Your tank is rather new(only setup 10 days) and the water quality is not good/stable during the setup time. So, I believe the death of fish is caused by the water quality but not the NO3. On the other hand, the fish may be getting weak after it was caught. When it is moved into new tank, new pressure is added on it by the unstability quality of water. This should be one of the reason why test fish is so easy to die.


養魚係一個贏贏的遊戲---a Win-Win game. You can win, I can win, all of us can win in the game at the same time. ^^
richileung





文章: 7
 9 于 2005-07-05 23:36  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Great! I'm understanding it more and more now....saltwater is alot of fun.. i know it's not a game but it's much more than looking at pretty fishes..it's like a complex 4 dimensional jigsaw puzzle ..?!..
anyway thank you both mods.. ^^

catch you guys around again ^__^


skm01





文章: 225
 10 于 2005-07-05 23:47  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
I have a question is, during H-cycle, isnt it necessary to change water? or just keep the same water after 1 month? Then start to add fish? Thanks


Kenny





文章: 2286
來自: Shatin, N.T.
11 于 2005-07-06 10:41  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
If the death of the test fish is not the problem, then you don't need to change water. However, if you want to keep the test fish also, you need to take a water change when it is necessary.


養魚係一個贏贏的遊戲---a Win-Win game. You can win, I can win, all of us can win in the game at the same time. ^^
richileung





文章: 7
 12 于 2005-07-06 11:56  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Sigh............
My Harlequin Tuskfish (2 -2 1/2 inches) disappeared this morning when I woke up. I am at work now and I am very sure it is not in tank anymore. sad I wonder what could have happened to it~~ I looked briefly around *cry*

I have a hermit crab and frogfish but they are too small to devour it I am sure....

Anyway just sharing my sadness.... I will go home and look for it again tonight >.<


skm01





文章: 225
 13 于 2005-07-06 19:55  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Kenny wrote:
If the death of the test fish is not the problem, then you don't need to change water. However, if you want to keep the test fish also, you need to take a water change when it is necessary.


Thanks. Kenny... So, after N-cycle finish, change 1/3 water and go to buy fish, right? heheh... thanks.


richileung





文章: 7
 14 于 2005-07-07 00:56  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
Uh o ..
That's it... i lost both of my fishes and I don't know where they are.... i moved the rocks around and even looks at the back,side, front of the tank and my desk~ ........!
I don't have an idea where they are! Is it possible that my small hermirt crab or frogfish can eat two 2 to 3 inch fishes in two days ?!?!........


Kenny





文章: 2286
來自: Shatin, N.T.
15 于 2005-07-07 01:01  觀看該用戶的個人資料  搜尋這個用戶發表的所有文章  把文章內容复制到剪貼板。 只适用于 IE :-)
hermit crab shall do so.


養魚係一個贏贏的遊戲---a Win-Win game. You can win, I can win, all of us can win in the game at the same time. ^^

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