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the fish looks happy in that tank
. nice looking fish
 

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looking nice but the ug? lol just wonderign but would it be better to reverse or put the power heads on so that they push water through it that way none of the crap gets stuck under then and just gets sucked up through the other filters?
 

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Discussion Starter · #7 ·
Andy1234 said:
looking nice but the ug? lol just wonderign but would it be better to reverse or put the power heads on so that they push water through it that way none of the crap gets stuck under then and just gets sucked up through the other filters?
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Your gravel is the biggest and most importaint biological filter in a fish tank. By having the filters suck poo to the gravel, your in effect, feeding the nitrafieing (sp?) bacteria. This in turn creates more benifitial bateria, which makes your tank cleaner, and gives you the best bio-load that you can get.

If you have the power heads blow down the tubes, your pushing poo away from the bacteria, starving and killing it. This makes your tank a nasty little amonia trap.

(Note: Most waste doesn't pass threw the gravel on an undergravel filter.)
 

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chiefkyle said:
Your gravel is the biggest and most importaint biological filter in a fish tank. By having the filters suck poo to the gravel, your in effect, feeding the nitrafieing (sp?) bacteria. This in turn creates more benifitial bateria, which makes your tank cleaner, and gives you the best bio-load that you can get.

If you have the power heads blow down the tubes, your pushing poo away from the bacteria, starving and killing it. This makes your tank a nasty little amonia trap.

(Note: Most waste doesn't pass threw the gravel on an undergravel filter.)
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Incorrect.

BTW- Nice job with the bigger tank.
 

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chiefkyle said:
Your gravel is the biggest and most importaint biological filter in a fish tank. By having the filters suck poo to the gravel, your in effect, feeding the nitrafieing (sp?) bacteria. This in turn creates more benifitial bateria, which makes your tank cleaner, and gives you the best bio-load that you can get.

If you have the power heads blow down the tubes, your pushing poo away from the bacteria, starving and killing it. This makes your tank a nasty little amonia trap.

(Note: Most waste doesn't pass threw the gravel on an undergravel filter.)
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Incorrect.. your gravel is not the biggest and most important biological filter in a fishtank. Unless of course you are using a UGF and nothing else (IE-powerfilter).

having the poo sucked to the gravel has nothing to do with feeding the nitrifyers. Nitrifyers dont eat poo.

Incorrect, sucking poo to the gravel will not create more bacteria.

There is no "best" bio load.. Bioload= The amount of fish in a given system. The average amount of crap they produce is considered "Bioload".

100000% incorrect- Having powerheads blow the poo away from the gravel has NO effect on the nitrifying bacteria and further-more will not kill them. It does not make your tank nasty or an ammonia trap. Infact powerheads pushing water throught the bottum of the gravel Via the tubes is MORE efficient.. By allowing powerheads to forward fresh/nutrient enriched water up through the bottum of the gravel You are creating a very powerfull biological filter.. Regular undergravel filters clog the gravel, which in turn creats an anaerobic condition.

chiefkyle said:
Please correct me then.


It is a Mosambique Tilapia: http://www.eheim.com/Fische.cgi?Mode=zeige...ter=gesamtliste
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ok.. read above.

 

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Um.... anyhow.

To put Peacock's critique in a nicer (and more understandable) way...

The poop doesn't directly feed bacteria, ammonia does (and nitrite). These come indirectly from the breakdown of proteins in the poop (and directly from the fish). They are also in the water so wherever the water goes, these nitrogenous wastes go. The good thing about gravel is it is a surface that the bacteria can live on.

Now isn't that 100000% better?


The fish is still looking great, by the way!
 

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acestro said:
Um.... anyhow.

To put Peacock's critique in a nicer (and more understandable) way...

The poop doesn't directly feed bacteria, ammonia does (and nitrite). These come indirectly from the breakdown of proteins in the poop (and directly from the fish). They are also in the water so wherever the water goes, these nitrogenous wastes go. The good thing about gravel is it is a surface that the bacteria can live on.

Now isn't that 100000% better?

The fish is still looking great, by the way!
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Actually, to my knowledge, Heterotrophic bacteria break away at the waste.. but the nitrifyers do not.

the good thing about gravel? umm everything in the fish tank has surface area... and unless water is being pumped through the gravel, only the top couple layers will form colonies..
 

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Peacock said:
Actually, to my knowledge, Heterotrophic bacteria break away at the waste.. but the nitrifyers do not.

the good thing about gravel? umm everything in the fish tank has surface area... and unless water is being pumped through the gravel, only the top couple layers will form colonies..
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A little to technical Peacock, he spells tilapia..... talapia
 
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