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Tank Filters
September 5, 2009
3:01 pm
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johnpeten
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I have cleaned out our local "Pet Shop" of Aquarium equipment. The internal power filters that I was able to obtain had sponge inserts which were useless. I cut the sponge and inserted filter pads of gauze and cotton wool bought from the pharmacy. I now have crystal clear water.
I now need more filters for my new tanks. In the interim the tanks share filters.
Many moons ago when I lived in the UK and kept tropical fish technology was very simple. I had a box hung on the outside of the tank filled with nylon wool and an air operated system circulated the water.
I can now only buy equipment from Hong Kong and Chine proper. The UK and US won't ship or their prices are out of reach. Unfortunately these suppliers only come up on my UK eBay and all their equipment is 240V. Hong Kong and China does produce 110v Aquarium equipment but where does it appear on eBay ? not on the US eBay site.

The basic air operated external filter I can't find anywhere.

I would be grateful for any suggestions.

September 5, 2009
8:17 pm
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Eyrie
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How big are your tanks? Would it be possible to use a sump set up instead?

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September 5, 2009
10:22 pm
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johnpeten
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QUOTE (Eyrie @ Sep 5 2009, 02:00 PM) < {POST_SNAPBACK}>
How big are your tanks? Would it be possible to use a sump set up instead?


My tanks are 40 UK gallons. I am not familiar with a "sump setup"

September 6, 2009
8:04 am
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Bluedave
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If you wanted to buy uk equipment (240V) you could buy a simple travel adaptor (available at most airports or off the internet) to convert to 110V. Just make sure the pins are correct, you can get some that are multi pinned (i'm sure we've got one somewhere!) that suits a range of countries.

September 6, 2009
2:25 pm
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johnpeten
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I have bought exactly what you described. An 110v to 240v transformer and also a universal plug adapter. The transformer is rated at 80 watts.
As Aquarium equipment is of so low wattage this should work perfectly.
I am now able to buy any of the powered equipment offered by the Hong Kong suppliers.
Very many thanks.

September 7, 2009
1:35 pm
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Matt
Málaga, Spain
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John here's an example of a home-made sump filter:

[Image Can Not Be Found]
Pic from http://www.algaeholics.co.uk

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[Image Can Not Be Found]

Cake or death?
September 7, 2009
3:22 pm
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coelacanth
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Assuming you can get air pumps, potable-quality plastic piping and open-cell foam, you should be able to run a number of tanks using simple hamburg mat-style filters and air lifts.
A couple of decent air pumps run into a home-made air reservoir will provide all the water movement you need for a number of aquaria, and will cut down on electricity usage. In my experience air pumps tend to last longer than cheap powerheads, as long as the tanks are in a place where the bubbling noise will not be intrusive they'd be my suggestion.
Any pictures of the general location of the tanks?
The gauze and cotton wool will be excellent for "polishing" your water, but they will quite quickly clog and also start to break down.

September 10, 2009
6:22 am
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johnpeten
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You are correct about my cotton wool filters they do a 1st class job of cleaning the water but we have to change them every 24 hours. This is not a problem and only takes a few minutes, Each internal filter has a spare cartridge. I am in a rather unusual situation with my water. My tap water is untreated water from the Lake.

The air lift system sounds like the one I used, when life was very simple. Air lifted water into the external tank and fell on the nylon wool. Tubes hanging over the tank edge and dipping into the filter box returned the water. I could probably make one of these if I could remember the original idea.
I have five 40 UK gallon tanks. 3 are in the upstairs lounge and 2 in the downstairs lounge. I have a very large house and the noise is not a problem. I also do not have a wife to complain about my using all the substantial locally made furniture to support the tanks.
The standard vibrating air pumps are available and clear plastic tubing of various diameters.

All my tanks are now fully occupied. I still have a massive unused dining table 3 meters by 1 meter for future tanks.

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