I also rarely replace my cartridges…they too can be rinsed vigorously in
tank water.
And…my HOB or power filters have either a sponge plus media (no cartridge)
or a cartridge plus a media grid. I do like the design of these because
when you DO have to replace the cartridge, you always have the media grid
full of bacteria.
_____
From: AquaticLife@yahoogroups.com [mailto:AquaticLife@yahoogroups.com] On
Behalf Of Patrick
Sent: Wednesday, April 03, 2013 8:45 AM
To: AquaticLife@yahoogroups.com
Subject: [AquaticLife] Re: homemade replacement filters
--- In AquaticLife@yahoogroups.com <mailto:AquaticLife%40yahoogroups.com> ,
sevenspringss@... wrote:
>
> Patrick,
>
> Filter media should NEVER be rinsed under tap water, unless
> the "tap water" is from an unchlorinated private well.
> Chlorine and chloramine that water suppliers add to their water
> will kill the nitrifying bacteria that has taken so long to get
> established in cycling the tank. Hot water too, will decimate
> these bacteria, resulting in having to cycle the tank all over
> again to repopulate the filter with nitrobacters.
As Charles pointed out, in an established tank, all the surfaces are well
established with the beneficial bacteria so it is usually not a problem.
But the big thing you are missing in this particular instance is that she is
using a filter with a replaceable cartridge. So every couple of weeks or so,
the cartridge is pulled out, thrown away, and then a brand new cartridge is
put in its place. Are you going to argue that all filter systems with
replaceable cartridges result in having to restart the cycle every the time
owner changes the cartridge? If so, we should all be lobbying new fish
keepers to never use any of those filter systems, right? ;)
Patrick
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