penguin bio wheel filters?

im also a member of aquariumadvice.com. another member told me he was a bio-engineer, and that he works on designing massive biowheels for dams and stuff i guess.

anyways he said that the surface area of the biowheel in the aquarium filters is not sufficient to do any real good.

im also really disapointed in my penguin 170 and 330, whos water flow has greatly dimished over time.

i know use a tetra 60 on my 55 tank
 
paku,
I'm curious..biowheels are supposed to increase surface area and increase O2 (I believe by rotating they expose the wheel to air thereby increasing the air flow to the bacteria) they also increase aggitation and replacement of air to the water.'


(in theory anyway)

do you compensate for this by adding more CO2? or do the biowheels not affect the aggitation and transfer air/O2 and increase off gassing CO2 as suspected?
 
hmm

I have an AC 50 and a emperor 400. I will say this, the emperor has much more bacteria growth present on both the biowheels and in the ceramic pieces in one of the filter cases, the ac 50 just isn't colonizing that fast, there is hardly any growth on the ceramic pieces in it.


As for the guy that works at the dam, they don't use biowheels at dams? At least not at any of the damns in central Texas or at Hoover dam in Nevada. I really can't imagine a reason they would even have a biowheel, they send water shooting through those things at such high pressure that anything that the bacteria could colonize on would likely get destroyed. I mean the turbines in those things are made out of high carbon steel or titanium ussually.
 
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star_rider said:
paku,
I'm curious..biowheels are supposed to increase surface area and increase O2 (I believe by rotating they expose the wheel to air thereby increasing the air flow to the bacteria) they also increase aggitation and replacement of air to the water.'

(in theory anyway)

do you compensate for this by adding more CO2? or do the biowheels not affect the aggitation and transfer air/O2 and increase off gassing CO2 as suspected?
Click to expand...

My diffuser depletes the bubbles into the water column before they hit the surface. Yes, water with C02 gets sucked up into the filter; yes the bio wheel prolly diffuses some of the gas, but not enough to make a difference in my tanks. However there is no surface agitation as my waterline is very high, plants are going crazy so... in my own experience, my bio wheels do not make my diy c02 any less effective. My set up is working too well for me to test out another pump or just takes my C02 down to test it.

I use the same diy forumla as everyone else 2 cups sugar, 1/2 tsp of dry yeats. My bubble output is crazy for the first week or so.
 
:thm: thanks..there is a ton of info out there but the best info is from experience
 
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