TUNZE CO2 diffuser [7074.500]

Item #: 197040

Keine CO2 Verschwendung gibt es beim Tunze CO2 Diffuser 7074.500. Dieser kann auch große Mengen an CO2 - bis zu 4 Blasen pro Sekunde auflösen, und braucht dabei auch kaum Platz im Aquarium.

RRP 41,30 EUR

Financing available from 99 € to 5000 € sale value

Delivery time:
Damned! Now has TUNZE CO2 diffuser [7074.500] delivery time to 30.09.2019 . Good thing takes time sometimes.
Außer Du wohnst im Ausland, dann dauert es etwas länger.
Sollte es Verzögerungen geben, informieren wir Dich natürlich.
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A small integrated pump draws the water and mix it with the CO2. Only CO2 enriched water comes out from the reactor, no CO2 bubbles "up in smoke" then at the water surface.

The assembly of the Tunze CO2 Diffuser 7074.500 is easy using a magnetic holder (up to 15 mm glass thickness) at any point in the aquarium.

Technical Data TUNZE CO2 Diffuser 7074.500:

  • Sufficient for freshwater aquariums up to 1.000 l
  • 230V / 50 Hz, 5 W

Product type Reactor
 Link to manufacturer Tunze

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Caroline writes: 03.04.2018
I would like to give it five stars but I had some issues with it.
First, it was delivered with a huge magnet instead of the attachment plastic shown in picture. When installing, the magnet is really, really hard to work with because of it's strength. But well in place the strength of the magnet holds everything in place.


The circulatory pump is really strong, for it's small size and it has a shrimp-safe water inlet. The inlet is easily blocked by small debris, leaves or bubbles and then the pump stands still and overheats. So it is not really reliable.

When I was putting the pieces together I noticed the tubing as hard to keep in place. And when I started the machine I noticed the tubing was constantly falling off the pump because of the centrifugal force of the water flow. I had to glue it into place.

But other than that I would really recommend it. It dissolves bubbles magnificently. I have to use just half the ammount of bubbles than with a ceramic diffuser.
Robin writes: 14.11.2014
Easily dissolves 3-4 bps, good product!
Jakob writes: 20.09.2014
it works like a charm.
Easy to install and silent. Could not be happier.
Luc writes: 10.04.2014
Top Product.
Zeer tevreden van mijn aankoop.
Vlotte correcte levering.
Ben hier nog nooit bedrogen geweest.
Kwaliteit voor weinig geld.
Luc writes: 26.03.2014
Vlugge en perfecte levering van een goed product aan een lage prijs. Bedankt !!!
Werkt voorbeeldig! een aanrader.
Tomas writes: 02.09.2012
I had some troubles in the beginning with the tube keep falling off but after a couple of days it started to stay in place. The pump was also noicy but the Very kind ppl on aquaristic fixed a sparepart in lightning speed so now it works perfectly. I've put it under the filter outflow so there is not much stuff getting into the diffuser pump.
Very efficient dissolving the CO2 and even if it is another thing in the aquarium it is at least looking cool with the bubbles swirling around.
Efficient gizmo for a reasonable price