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Co2 reactor air

Djoko Sauza

Member
Joined
23 Jul 2017
Messages
253
Location
SE London
I was always curious what the results would be If you put an inline difusser prior to the external reactor to "atomize" the bubbles.
Do you have any experience on that ?
That's what I use and in my case it works good (injecting 2bps and low flow inside the reactor).
I see only the very smallest of bubbles in the water column and very few at that.

If you are using a powerful filter and/or a small reactor I could see most of the bubbles, being tiny in size, flowing right through the reactor and ending up in the tank, thus defeating the purpose of the reactor.
 
Last edited:

Gorillastomp

Member
Joined
24 Jun 2021
Messages
118
Location
Canada,Quebec
If you get a reactor long enough you dont get any bubble into the aquarium. The co2 fully dissolve which make it easier to move around the tank.

You may need a bigger pump with a bigger reactor since the flow is reduced due to the lenght of the path the water have to travel.

Bigger the size of the bubble of co2, the quicker it reach to top of the tank so less available to the plants.
 

Zeus.

Fertz Calc Meister
Joined
1 Oct 2016
Messages
4,604
Location
Yorkshire,UK
I was always curious what the results would be If you put an inline difusser prior to the external reactor to "atomize" the bubbles.
Do you have any experience on that ?
Yes I have done that.

It can work well however if bubbles are to small they can get passed the reactor - which is flow dependant. Bigger bubbles less likely to get through but CO2 uptake is slower esp if agitation in the reactor is low, which is why @foxfish had great success with his reactor and the vortex of uptake IMO
 

rebel

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Thread starter
Joined
4 Aug 2015
Messages
2,265
an inline difusser prior to the external reactor to "atomize" the bubbles.
This was my previous setup but all my plastic atomisers kept leaking!!! During the operation, it looked like there was some bubble escape to the tank. It all depends on flow, size of reactor and bubble size etc therefore no harm in experimenting.
 

MMonis

Member
Joined
19 Mar 2021
Messages
70
Location
Aalborg, Denmark
Would this external reactor work well for a 54 litre tank with a Oase Biomaster 250 thermo filter rated at 900 litres per hour and a spray bar output ensuring sufficient surface agitation as well ?
 
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