QT tank are easy no2 high in 4 days,why? - 鬧市冰室

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QT tank are easy no2 high in 4 days,why?

henry

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1 于 2003-11-05 12:12

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40L QT tank are very easy high no2 in 3-4 days,
So it make hard to keep the new fish
how to solve???
It only have air pump,upper filter(cotton 3 pieces),add 10ml PSB every day.

Thx all.
中文表達:QT缸如何keep倒3週no2不升?????

我的QT tank是一個大衣箱40L水左右
有氣泵,上至filter內有白綿三片用1000/L頭上水
每次買新魚回來,便在主缸泵舊水落QT 缸約3/4高度(35-40L),
全部新開水都試過(都是很快no2升高)
落回20ml消化菌(每天)
通常4-5天便出事的,no2升高至1.6-2,新魚便蒙羽,不吃等等.
請問各高手有冇辦法keep倒2-3週有良好的水質.
是不是天天都要換水???
請教教小弟,Thx.

henry 修改于 2003-11-05 17:57

clownfish

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大粒星

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2 于 2003-11-05 17:43

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40L QT tank are very easy high no2 in 3-4 days,
is cause by not enough bacterial to change NO2 to NO3 .
so............ countermeasure is to increase the bacterial.
so normaly how many fish /how many inch of fish u will keep at QT ??
when your QT are stable for example 1x 2" fish. than when u add new fish 1x2" , >>> QT have 2x2" fish ( 200% NH3 ) than bacterial not enough to support >>>>>> NO2 high.

so
idea 1) when new fish add , transfer the old fish to main tank first. so >no increase NH3 /NO2

idea 2 ) increse QT fish q'ty . if QT have 4x2" fish, new add 1x2" fish ( bioload increse 25% >>> NO2 litle increse )
just personal thinking.

喝了莫莫查查,唔再朦查查

henry

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3 于 2003-11-05 18:06

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clownfish wrote:
40L QT tank are very easy high no2 in 3-4 days,
is cause by not enough bacterial to change NO2 to NO3 .
so............ countermeasure is to increase the bacterial.
so normaly how many fish /how many inch of fish u will keep at QT ??
when your QT are stable for example 1x 2" fish. than when u add new fish 1x2" , >>> QT have 2x2" fish ( 200% NH3 ) than bacterial not enough to support >>>>>> NO2 high.
so
idea 1) when new fish add , transfer the old fish to main tank first. so >no increase NH3 /NO2
idea 2 ) increse QT fish q'ty . if QT have 4x2" fish, new add 1x2" fish ( bioload increse 25% >>> NO2 litle increse )
just personal thinking.

Clownfish兄:
I only keep 1pce of 4" new fish in the new tank.,(我試過從沙缸取了一包
環放在QT tank的"上慮水箱"中都唔得
it still will go up high no2 at 4-5 days
多謝回覆

幻之無極兇眼男

東之深淵者

東之深淵者

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:)

4 于 2003-11-05 20:46

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我個qt，9L水，有成兩盒環及幾舊有去no3能力的石，no2、3都好底，但最多只能放4條魚，否則no2、3都會高，唔駛點換水。
http://www.aquarium.org.hk/cgi-bin/ch/topic_show.cgi?id=7146&h=1&bpg=1&age=0

人生，尚算不錯。

clownfish

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大粒星

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5 于 2003-11-06 09:47

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henry san,
sorry litle confuse

u mean normaly your QT r " 0 " FISH . when u buy fish only start the QT ??

喝了莫莫查查,唔再朦查查

henry

文章: 795

6 于 2003-11-06 10:24

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clownfish wrote:
henry san,
sorry litle confuse
u mean normaly your QT r " 0 " FISH . when u buy fish only start the QT ??

To:clownfish brother,
Yes,I will start the qt tank when i buy a new fish.because i havn't space
to start the second tank.(which are n-cycle conplete).

clownfish

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大粒星

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7 于 2003-11-06 11:21

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So kah

than of'coz your QT NO2 will go high lar ,
your QT just start the N-cycle

just personal thinking

1) .,(我試過從沙缸取了一包
環放在QT tank的"上慮水箱"中都唔得)
try use more 環. and install 上慮水箱 at main tank or sump tank.
when set up QT only move it to QT.
hope this can help to build more bacterial to support your QT.

2) if still can not maybe u have to 換水 lor.

ps: i have a strong feeling that when u set up QT , u had sucess to transfer some bacterial into your QT >> therefore high no2 in 3-4 days ( mean have bacterial to change NH3 to NO2 ) , but seem like the bacterial (NO2 to NO3 ) r not enough. this is my thinking. so u have to try to transfer more bacterial into your QT. this is my htinking

喝了莫莫查查,唔再朦查查

QQB

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8 于 2003-11-06 11:59

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Brother, I use those bio-ring before and have the same problem as you.
Then I visited the web site of SEACHEM and found many useful material to replace bio-ring, check this link :

www.seachem.com
select product name MATRIX

-------------------------------------------------------
Some description :
Matrix™ is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix™ is a porous inorganic solid about 10 mm in diameter. Each liter of Matrix™ provides as much surface (<162 m) as 40 liters of plastic balls! Plastic bio-materials provide only external surface area, whereas Matrix™ provides internal macroporous surface area. These macropores are ideally sized for the support of nitrifying and denitrifying bacteria. This allows Matrix™, unlike other forms of biomedia, to remove nitrate along with ammonia and nitrite, simultaneously and in the same filter. Matrix™ is completely inert and will not breakdown. It need not be replaced. Use 1–2 Liters of Matrix™ for each 100 gallons. Since the majority of the bacteria are internal, Matrix™ may be rinsed when needed without damaging the filter. Matrix™ is compatible with all types of wet or wet-dry filters. Marine or freshwater use.
-------------------------------------------------------

you can found in MongKok Fish Street, and it improve water quality very much.

幻之無極兇眼男

東之深淵者

東之深淵者

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:)

9 于 2003-11-06 13:15

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QQB ︰
有無試過係唔係真係除到no3？
改善左幾多？我想知係咪換上同與環同體積的matrix都能有大改善？

幻之終極真姚俊修改于 2003-11-06 13:18

人生，尚算不錯。

QQB

文章: 41

10 于 2003-11-06 14:24

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Hi 姚俊 ,
it's work. I tested NO2 and NO3 are very low in my 550L tank (with 13 fish, BAD skimmer, and also, I always overfeed, hehe... it's my problem)
By the way, I use not just MATRIX but also SEACHEM De*Nitrate as well.

--------------------------------------
Some description :
de*nitrate™ is a high porosity filtration product for the removal and control of nitrate in marine and freshwater aquaria by anaerobic denitrification. It is a porous inorganic solid about 4 mm in diameter. It can be used in a canister filter at slow flow rates or even on the tank bottom as a “live” substrate. It does not require a special denitrifying filter or special culture feedings. It is also helpful in controlling nitrite and ammonia. The surface area characteristics of de*nitrate™ are similar to Matrix™, making de*nitrate™ an effective support for the biological filter. Each liter treats up to 100 gallons. Marine or fresh water use.
--------------------------------------

Also, I just ordered :
1 x Seachem PhosGuard 吸磷酸棉 250ml (SC_PG_250) = HKD$45
1 x Seachem MatrixCarbon 250ml (SC_MC_100) = HKD$45
1 x Seachem Purigen 吸蛋白棉 100ml (SC_P_100) = HKD$60

from EZReef.com today.
Will tell all brothers the result later.

QQB

文章: 41

11 于 2003-11-06 14:36

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Hi 姚俊 ,
As you ask, : 改善左幾多？我想知係咪換上同與環同體積的matrix都能有大改善？

Well, it's hard to measure the improvement cos I test water after I use new biomedia. Sorry. By the way, as described, the total surface area of Matrix is 40 times of bio-ball !!! So, by my naive calculation, it should be 40 times effective than same volume of ball, right ?

I placed Matrix in high water flow filter, and packed de*nitrate in bag and placed on the surface of sand-bed where with fewer water flow, just behind life-stone.

Also, I use SEACHEM PhosGuard too, to remove red hair algae. It's work, but slowely. I will also change to use SEACHEM MATRIXCARBON to replace original cheap active carbon that using cos I suspect cheap carbon release phosphates that glow red hair algae.
------------------------------
Some description :
PhosGuard™ is a high capacity and high efficiency filtration product for removing phosphates and silicates from marine or fresh water aquaria. Unlike competing products, PhosGuard™ is bead-shaped for optimum flow characteristics and has an exceptional porosity for enhanced capacity. PhosGuard™ has a working capacity to remove 20 to 60 mg/L phosphate in 100 gallons with a similar impact on silicates. It may be used continuously or intermittently, and will not release removed phosphate. PhosGuard™ will cause a decline in hair algae and enhance coral growth. Each liter treats up to 300 gallons. Marine or freshwater use.
-------------------------------------

Any comment !?

幻之無極兇眼男

東之深淵者

東之深淵者

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:)

12 于 2003-11-06 14:49

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唔...等我又買d matrix來試下先。

人生，尚算不錯。

clownfish

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大粒星

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13 于 2003-11-06 15:06

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sudenly have a thinking

so if have a product can remove NH3. so we not need to maintance a QT. we just place it to QT when we need a QT for new fish

.
is it possible ??

喝了莫莫查查,唔再朦查查

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