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Old 19-02-2003, 01:45 AM
linda mar
 
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Default how much plant is too much plant for fish at night?

Hi,

another newbie ponderings...

I've been searching for any indication of how to determine when you have too
many plants in the tank that may actively compete with fish for oxygen at
night.. without much success.

is this something I really have to worry, or not worry? All the references
I have been able to dig up only mentions that plants will compete for oxygen
at night, but doesn't really say how quickly the oxygen will get depleted...
Also, how much light the plants need before it completely stops producing
oxygen (dim dawn light? room light? or only with bright CF light?)

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark? The way I have the light
timer, there is probably only about 6-7hrs of total darkness before some
outdoor ambient light starts lighting up the room. Right now in my 37G tank
(essentially a tall 29G) I have 4 very large sword plants (2 amazon, 2
ozelot), several crypts, big anubias barteri nana (I thought they were
supposed to be short! mine is at least 7" tall from rhizome to tip of
leaf!), few bunches worth of stem plants in it (foxtail, lysmachia, rotala
indica), and some apongetons in it (boivi--whatever, and two small lace
plants). eventually I'll load this tank to maximum recommended (30" worth
of fish), but wanted ot make sure oxygen competition at night is nothing I
really need to worry... so I do need to worry...

linda



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Old 19-02-2003, 02:51 AM
Bob Alston
 
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Default how much plant is too much plant for fish at night?

I wouldn't worry. I have a well planted 55 gal with a high load of fish
without any problems.

Bob
"linda mar" wrote in message
...
Hi,

another newbie ponderings...

I've been searching for any indication of how to determine when you have

too
many plants in the tank that may actively compete with fish for oxygen at
night.. without much success.

is this something I really have to worry, or not worry? All the

references
I have been able to dig up only mentions that plants will compete for

oxygen
at night, but doesn't really say how quickly the oxygen will get

depleted...
Also, how much light the plants need before it completely stops producing
oxygen (dim dawn light? room light? or only with bright CF light?)

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark? The way I have the light
timer, there is probably only about 6-7hrs of total darkness before some
outdoor ambient light starts lighting up the room. Right now in my 37G

tank
(essentially a tall 29G) I have 4 very large sword plants (2 amazon, 2
ozelot), several crypts, big anubias barteri nana (I thought they were
supposed to be short! mine is at least 7" tall from rhizome to tip of
leaf!), few bunches worth of stem plants in it (foxtail, lysmachia, rotala
indica), and some apongetons in it (boivi--whatever, and two small lace
plants). eventually I'll load this tank to maximum recommended (30" worth
of fish), but wanted ot make sure oxygen competition at night is nothing I
really need to worry... so I do need to worry...

linda




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Old 19-02-2003, 02:51 AM
Bob Alston
 
Posts: n/a
Default how much plant is too much plant for fish at night?

I wouldn't worry. I have a well planted 55 gal with a high load of fish
without any problems.

Bob
"linda mar" wrote in message
...
Hi,

another newbie ponderings...

I've been searching for any indication of how to determine when you have

too
many plants in the tank that may actively compete with fish for oxygen at
night.. without much success.

is this something I really have to worry, or not worry? All the

references
I have been able to dig up only mentions that plants will compete for

oxygen
at night, but doesn't really say how quickly the oxygen will get

depleted...
Also, how much light the plants need before it completely stops producing
oxygen (dim dawn light? room light? or only with bright CF light?)

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark? The way I have the light
timer, there is probably only about 6-7hrs of total darkness before some
outdoor ambient light starts lighting up the room. Right now in my 37G

tank
(essentially a tall 29G) I have 4 very large sword plants (2 amazon, 2
ozelot), several crypts, big anubias barteri nana (I thought they were
supposed to be short! mine is at least 7" tall from rhizome to tip of
leaf!), few bunches worth of stem plants in it (foxtail, lysmachia, rotala
indica), and some apongetons in it (boivi--whatever, and two small lace
plants). eventually I'll load this tank to maximum recommended (30" worth
of fish), but wanted ot make sure oxygen competition at night is nothing I
really need to worry... so I do need to worry...

linda




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Old 19-02-2003, 11:08 PM
linda mar
 
Posts: n/a
Default how much plant is too much plant for fish at night?

Ok. Thank you for the reassurance!

linda

"Bob Alston" wrote in message
.. .
I wouldn't worry. I have a well planted 55 gal with a high load of fish
without any problems.

Bob
"linda mar" wrote in message
...
Hi,

another newbie ponderings...

I've been searching for any indication of how to determine when you have

too
many plants in the tank that may actively compete with fish for oxygen

at
night.. without much success.

is this something I really have to worry, or not worry? All the

references
I have been able to dig up only mentions that plants will compete for

oxygen
at night, but doesn't really say how quickly the oxygen will get

depleted...
Also, how much light the plants need before it completely stops

producing
oxygen (dim dawn light? room light? or only with bright CF light?)

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark? The way I have the

light
timer, there is probably only about 6-7hrs of total darkness before some
outdoor ambient light starts lighting up the room. Right now in my 37G

tank
(essentially a tall 29G) I have 4 very large sword plants (2 amazon, 2
ozelot), several crypts, big anubias barteri nana (I thought they were
supposed to be short! mine is at least 7" tall from rhizome to tip of
leaf!), few bunches worth of stem plants in it (foxtail, lysmachia,

rotala
indica), and some apongetons in it (boivi--whatever, and two small lace
plants). eventually I'll load this tank to maximum recommended (30"

worth
of fish), but wanted ot make sure oxygen competition at night is nothing

I
really need to worry... so I do need to worry...

linda






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Old 19-02-2003, 11:08 PM
linda mar
 
Posts: n/a
Default how much plant is too much plant for fish at night?

Ok. Thank you for the reassurance!

linda

"Bob Alston" wrote in message
.. .
I wouldn't worry. I have a well planted 55 gal with a high load of fish
without any problems.

Bob
"linda mar" wrote in message
...
Hi,

another newbie ponderings...

I've been searching for any indication of how to determine when you have

too
many plants in the tank that may actively compete with fish for oxygen

at
night.. without much success.

is this something I really have to worry, or not worry? All the

references
I have been able to dig up only mentions that plants will compete for

oxygen
at night, but doesn't really say how quickly the oxygen will get

depleted...
Also, how much light the plants need before it completely stops

producing
oxygen (dim dawn light? room light? or only with bright CF light?)

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark? The way I have the

light
timer, there is probably only about 6-7hrs of total darkness before some
outdoor ambient light starts lighting up the room. Right now in my 37G

tank
(essentially a tall 29G) I have 4 very large sword plants (2 amazon, 2
ozelot), several crypts, big anubias barteri nana (I thought they were
supposed to be short! mine is at least 7" tall from rhizome to tip of
leaf!), few bunches worth of stem plants in it (foxtail, lysmachia,

rotala
indica), and some apongetons in it (boivi--whatever, and two small lace
plants). eventually I'll load this tank to maximum recommended (30"

worth
of fish), but wanted ot make sure oxygen competition at night is nothing

I
really need to worry... so I do need to worry...

linda








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Old 20-02-2003, 03:54 AM
LeighMo
 
Posts: n/a
Default how much plant is too much plant for fish at night?

Watch your fish in the morning, just before the lights go on. That's when
they'll show distress, if there's not enough oxygen.

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark?


A power outage is trouble for a fishtank, whether it's planted or not. (Unless
you're Diana Walstead. ;-) I'd say a planted tank has an advantage over an
unplanted one.



Leigh

http://www.fortunecity.com/lavender/halloween/881/
  #7   Report Post  
Old 20-02-2003, 03:54 AM
LeighMo
 
Posts: n/a
Default how much plant is too much plant for fish at night?

Watch your fish in the morning, just before the lights go on. That's when
they'll show distress, if there's not enough oxygen.

I guess I'm thinking, what happens if the power goes out at night and my
powerheads stop circulating water in pitch dark?


A power outage is trouble for a fishtank, whether it's planted or not. (Unless
you're Diana Walstead. ;-) I'd say a planted tank has an advantage over an
unplanted one.



Leigh

http://www.fortunecity.com/lavender/halloween/881/


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