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Posted by Yowie on November 9, 2009, 5:54 am
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A 100 litre fresh water tropical tank. Has 10 neons, 6 rosy barbs, a black
neon, a rummy nose tetra and a small bristlenose. Has some rocks, a large
peice of driftwood and a fair amount of java moss in it. pH around 6.5,
nitrate and nitrite levels are fine.
Had a whisper brand hang-on filter that worked OK, although needed some
'wiggling' if the power got turned off before it started up again and the
'biobag' filters were becoming harder and harder to find, thus I decided to
replace it.
Having no idea of the capacity of the Whisper filter (my whole tank is
second hand), I asked the folks at the shop what I would need and they
recommended Aqua One that looked to be about the same size - 500L per hour.
It seems to pump far too much water for the needs of my tank, and it breaks
up the java moss. Turning the flow metre to anything besides fully open
makes it rattle like mad. My complaint, however, is the noise it makes. The
tank is in the bedroom and the buzz it makes compared to the old pump makes
sleep difficult. I've tried to return it, but a) it works and b) I've used
it so they won't take it back. I'm really not happy with it, but at $75 I am
in no hurry to rush out for another.
So, my question is: can I turn the thing off whilst asleep? Would 8 hours
per day without filtering cause harm to the tank? Or am I just going to have
to get used to the racket?
Thanks,
Yowie
--
If you're paddling upstream in a canoe and a wheel falls off, how many
pancakes can you fit in a doghouse? None, icecream doesn't have bones.
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Posted by oliverkelly on November 10, 2009, 9:35 am
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If you turn the filter off, all the good bacteria that deal with the
waste will start to die. So you need to keep it running. Can you not
divert the flow against the side of the tank, or fit a spray bar ?
> So, my question is: can I turn the thing off whilst asleep? Would 8 hours
> per day without filtering cause harm to the tank? Or am I just going to have
> to get used to the racket?
>
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Posted by Yowie on November 11, 2009, 6:05 am
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>> So, my question is: can I turn the thing off whilst asleep? Would 8
>> hours per day without filtering cause harm to the tank? Or am I just
>> going to have to get used to the racket?
>
> If you turn the filter off, all the good bacteria that deal with the
> waste will start to die. So you need to keep it running. Can you not
> divert the flow against the side of the tank, or fit a spray bar ?
Its not the water noise that bothers me, I actually find that sound quite
soothing. Its the electric buzz of the motor that drives me mad, and the
rattling if turn the flow meter down.
What makes the bacteria die? Do they need fast flowing water to survive, or
simply to be wet? Because if I turned off the pump for 8 hours per day, the
filter material itself plus the foam bio-mat would still stay wet - I just
want to turn it off at night so I can sleep. I have an automatic timer for
the light - I can use aother to make sure the pump goes back on once its
off.
Yowie
--
If you're paddling upstream in a canoe and a wheel falls off, how many
pancakes can you fit in a doghouse? None, icecream doesn't have bones.
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Posted by =?iso-8859-15?Q?_=3E=3C=28=28= on November 11, 2009, 7:04 am
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On Wed, 11 Nov 2009 11:05:32 -0000, Yowie
>>> So, my question is: can I turn the thing off whilst asleep? Would 8
>>> hours per day without filtering cause harm to the tank? Or am I just
>>> going to have to get used to the racket?
>>
>> If you turn the filter off, all the good bacteria that deal with the
>> waste will start to die. So you need to keep it running. Can you not
>> divert the flow against the side of the tank, or fit a spray bar ?
>
>
> Its not the water noise that bothers me, I actually find that sound quite
> soothing. Its the electric buzz of the motor that drives me mad, and the
> rattling if turn the flow meter down.
>
> What makes the bacteria die? Do they need fast flowing water to survive,
> or
> simply to be wet? Because if I turned off the pump for 8 hours per day,
> the
> filter material itself plus the foam bio-mat would still stay wet - I
> just
> want to turn it off at night so I can sleep. I have an automatic timer
> for
> the light - I can use aother to make sure the pump goes back on once its
> off.
>
> Yowie
The bacteria will die through lack of oxygen.
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Posted by Edward Cowling London UK on November 20, 2009, 8:59 am
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writes
>>the
>> filter material itself plus the foam bio-mat would still stay wet - I
>>just
>> want to turn it off at night so I can sleep. I have an automatic
>>timer for
>> the light - I can use aother to make sure the pump goes back on once its
>> off.
>>
>> Yowie
>
>The bacteria will die through lack of oxygen.
I have a Juwel with an internal filter and at least the filters stay wet
and get some circulation during power cuts.
The filter mentioned by the OP seems ridiculously powerful for the tank
and (bottom line) needs changing.
--
Edward Cowling North London UK http://www.facebook.com/ed.cowling
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> per day without filtering cause harm to the tank? Or am I just going to have
> to get used to the racket?
>