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Re: [APD] Aquatic-Plants Digest, Vol 32, Issue 28
But couldn't we jury rig our own filter.. ie, a loose net bag of
charcoal? Or is it something other than just the filters that require
that pressure?
-derek parr
Vaughn Hopkins wrote:
> The problem is that the household filters are made for a 40 psi system,
> so nearly all of that 40 psi is available to drive the water thru the
> filter. Not so for aquarium filters. The little pumps we use develop
> less than 2 psi pressure at zero flow. We need filters that give us a
> back pressure less than one psi.
>
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