Hi Deb,
Welcome to the group. On a previous tank I used a couple of Eheim 2026
canisters & I still use one of them on my UV sterilizer system now. I can't
really fault them, they do exactly what they are designed to do & are
almost silent. I have loaded both baskets with regular nylon pot scrubbers
& they have been in use for about 7 years as they are virtually
indestructible. Even the blue sponge between baskets which Eheim suggest
replacing 'periodically' [well they would wouldn't they!] is still going
strong. The only thing that I replace every 6-8 weeks is the white
polyester foam pads at the top & I don't buy the Eheim ones, I make my own.
A huge sheet of this stuff costs pennies & you will make dozens from it,
should be available at any upholstery suppliers as it is the same stuff
used for filling soft toys & stuffing pillows. I also use this polyester in
my wet/dry in the final water polishing compartment.
John*<*
On 20 February 2013 18:13, dawnshungryeyes4u2c <
dawnshungryeyes4u2c@yahoo.com> wrote:
> **
>
>
> Hang on back (HOB) filters are less maintenance than undergravel filters
> and they offer more types of filtration, which is why they have become so
> popular. Undergravel filters offer biological filtration only, but the
> plates that sit under the gravel need to be cleaned underneath them
> regularly, especially if no live plants are being kept in the tank to
> utilize the trapped "muck"/organic debris, which is plant food and will,
> over time raise nitrate levels and cause a multitude of problems such as a
> crash of pH, rise in ammonia, etc.
> HOB filters offer not only biological filtration but also mechanical and
> chemical filtration, keeping the tank cleaner and safer for the animals.
> Gravel vacs are still needed, however, there are no plates at the bottom to
> trap the debris, so gravel vacs can easily remove the buildup from the
> substrate to avoid a buildup that can create water quality issues.
>
> For a smaller tank such as 20 - 25 gallons this is usually the easiest and
> least expensive method of filtration. Cartridges should only need to be
> replaced monthly and can be rinsed in dirty tank water during water changes
> weekly to get rid of any debris that is trapped in the filter media.
> The other benefit of HOB filters is that they allow for various different
> types of media to be used according to an aquarium's specific needs.
> My favorite of the HOB filters is the Aqueon brand. The pump inside these
> filters is submerged in the water rather than located in the box of the
> filter and they offer good circulation/water flow while being easy to
> maintain at the same time.
>
> Dawn
>
>
> --- In AquaticLife@yahoogroups.com, "daydreamdesign13" wrote:
> >
> > Hi everyone! I'm new to this group.
> >
> > I haven't had a tank setup for about 20 years. I'm going fresh water,
> 20-25 gal, no live plants. I've done my research locally and the new things
> to go with a new tank are amazing! I've been told that an external water
> filter is now better than the under gravel filter I used to use. Heater,
> pump, bubbler, all seem to be the about same. The external filters seem to
> have high maintenance costs.
> >
> > What are your opinions on the subject of filters?
> > Thanks for the input.
> > Deb
> >
>
>
>
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