CO2 distribution

[KristaButler]

One more question from me today.
I've seen the homemade co2 tanks and the huge co2 tanks. Then I noticed this in a video...

Can it really be this sleek and small? Would you just make an itty bitty hole and attach a tube to this. Or would u need a pressure regulator? Does anybody know?


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[dragonfisher33]

it can be small and sleek but i believe the one in the picture is a one-time use co2 cylinder. it means that you have to buy the small cylinder very time it runs out as oppose to refill it. for this particular cylinder tank, i could be mistaken but, you can only turn it on or off by rotating the knob on the regulator that it comes with. there's not a solenoid if that's what you're looking for.

 

[dragonfisher33]

i know that Ista makes refillable co2 tank, but it's not as small as the one in the picture.

 

[KristaButler]

Thanks!!


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[KristaButler]

Do the home made ones really work? I mean you can't control the amount of co2 going into the tank. Couldn't you harm the fish?


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[dragonfisher33]

Do the home made ones really work? I mean you can't control the amount of co2 going into the tank. Couldn't you harm the fish?


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for small tanks under 10gal, I would say, yes. anything bigger than that, no

 

[KristaButler]

Darn it


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[Fresh2o]

I ran DIY CO2 in my planted 20g long for about 8 months with very good results. However, increased lighting, more demanding plants, and the need for an increased and consistent source of CO2 go me into a pressurized system.
I ran a two 2L bottle system. I had room in my cabinet to hide the bottles. Low cost setup and maintenance.
Caution: Link below to a long boring post. Good for curing insomnia.
My DIY CO2 Setup


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[KristaButler]

Lol. So is the ratio 1 2l per 10 gallons?? In other words, do you think is need 3 liters for a 29 gallon??

Also how long does one of those 2 liters last?


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[KristaButler]

If I just use peacock moss and java fern do I need co2?


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[Fresh2o]

I used two bottles so that I could swap them out and keep one running but you could just use one. The amount of sugar and/or yeast will affect CO2 output and duration.
For those plants you would be fine without CO2.


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[dragonfisher33]

If I just use peacock moss and java fern do I need co2?


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no, you don't

 

[rakizta]

I use 20 oz paintball co2 tank with aquatek mini regulator i bought from ebay. Works great for small tanks and refill is cheap. My tank is running for almost two months now with 1-2 bps