CO2 Fire Extinguisher setup - The Planted Tank Forum
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post #1 of 4 (permalink) Old 07-18-2017, 02:03 PM Thread Starter
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CO2 Fire Extinguisher setup


I bought the Advanced Complete CO2 System from CO2 Art.

I am now looking for a cylinder to go along with it. Unfortunately here in Dubai normal cylinders seem to be expensive, like around 85-95 pound for a 4-5Kg cylinder. Checking around I saw the CO2 FE which are much cheaper 2Kg is like 25 pound.

Is it ok to use the CO2 fire extinguisher?
How much BPS will I have to use on a medium to heavily planted 60 CM tank (still not setup, just going for the max )
At this rate how long would a 2KG last on a 60CM planted tank?

I would have loved the 5KG Co2 FE, but too big to be kept in the cabinet under my aquarium.

Also is a co2 Check valve and reactor necessary? I will be using an Intank Bazooka Diffuser.


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post #2 of 4 (permalink) Old 07-19-2017, 06:12 AM
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You will have to ensure that your fire extinguisher does not have a siphon tube, as that will draw up liquid CO2 (not what you want).

Bubbles per second is only a (very) rough idea of CO2 injection; it is better to just rely on the pH drop and/or use a drop checker for verification.

As for how long the cylinder will last, there are also a lot of factors (time left on, injection rate, leaks if any, etc)

A check valve is highly recommended. For diffusal methods, a reactor is ideal, as it allows complete CO2 dissolution. If you have an in tank diffuser (the glass ones with ceramic discs), then you can also use that, but some people do not like seeing a mist of CO2


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post #3 of 4 (permalink) Old 07-27-2017, 08:37 AM
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Am in the same situation and m in dubai as well.. Keeping my eyes posted on this one. I tried calling Emirates gas haven't got a conclusive answer as of yet. Will keep trying.

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post #4 of 4 (permalink) Old 07-12-2019, 09:54 AM
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Hi guys , I bought a co2 extinguisher and it has a G1 3/8" famale connector.
Online I can find a valve gauge with G5/8 or W 21.8.
Does someone is able to explain and help me which one I have to buy?
Do I need a connector in between?

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