Veggie Filter Depth

those gases are light and quickly dissipate if the water is going over a waterfall
with lots of rocks. I doubt it would be toxic at that point. but it does smell bad
while in the veggie filter. I just dont know why anybody would make it deep when
shallow does great. Ingrid

"RichToyBox" wrote:

It is not whether the water will change going over the waterfall, but the
action of the type of bacteria, and the waste products produced. Aerobic
digestion does not produce hydrogen sulfide or methane which smell bad and
are toxic to the fish.



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those gases are light and quickly dissipate if the water is going over a waterfall
with lots of rocks. I doubt it would be toxic at that point. but it does smell bad
while in the veggie filter. I just dont know why anybody would make it deep when
shallow does great.

Maybe because deep is available whereas shallow isn't?

wrote:
those gases are light and quickly dissipate if the water is going over a waterfall
with lots of rocks. I doubt it would be toxic at that point. but it does smell bad
while in the veggie filter. I just dont know why anybody would make it deep when
shallow does great. Ingrid

Mine is deeper because I wanted it to drain into my raised
pond.
I guess I could have just filled in the bottom with dirt but
I was running out of dirt ;-).
--
Bonnie
NJ
http://home.earthlink.net/~maebe43/

"Bonnie" wrote in message
...
wrote:
those gases are light and quickly dissipate if the water is going over a
waterfall
with lots of rocks. I doubt it would be toxic at that point. but it
does smell bad
while in the veggie filter. I just dont know why anybody would make it
deep when
shallow does great. Ingrid

Mine is deeper because I wanted it to drain into my raised
pond.
I guess I could have just filled in the bottom with dirt but
I was running out of dirt ;-).

Oh sure, I am not saying it's bad...just that for filtration it's not
neccessary. Biomechanical filters need volume, VF's need surface area.

BV.