CO2 - Reuse 2 liter bottles?
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Old 02-16-2013, 09:00 PM   #1
TECKSPEED
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CO2 - Reuse 2 liter bottles?


Hi all,

Im in the process of setting up my first diy co2 system for my 20 gallon tank, so far im thinking of using two 2 liter soda bottles with a bubble counter which is going to be a vitamin water bottle or something similiar to that.

My only question is can you reuse the same soda bottles time after time, for the sake of not having to reseal the caps every time you need to redo your recipe.

Thanks

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Old 02-16-2013, 09:27 PM   #2
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Yes, but i would recommend you getting atleast one extra bottle because you can prepare your next mixture before the first one run out. When it run out, you have a bottle ready to go and producing CO2. Thats what iam doing right now for my 46g bowfront. Though i only use one 2 litre bottle.
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Old 02-16-2013, 10:24 PM   #3
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Yes, you can reuse the bottles.

As mentioned, having multiple bottles so you can stagger you mixtures will provide a more continuous CO2 supply, and is recommended.
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Old 02-16-2013, 11:42 PM   #4
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for a 20 gallon, i think 2 bottles is good. So you should have 4 bottles handy, 2 bottles attached, and 2 bottles ready with the new mixture.

But yes, you can reuse the bottles, just rinse with water till its clean and remake the mixture. It takes about 30 minutes to 2 hours before it starts producing co2, which is why you should have 4 bottles handy, so when you are about to switch them off, you can make the mixture early in the 2 spare bottles =)
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Old 02-17-2013, 01:31 AM   #5
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An easier way to refill the bottles is to always do it at night, after the tank lights are off. The plants don't need CO2 at night, so your new bottle has at least 12 hours to come up to producing good CO2 before it is needed.
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Old 02-17-2013, 06:51 PM   #6
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Default CO2 - Reuse 2 liter bottles?

Thanks guys for all of your input its appreciated
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Old 03-07-2013, 02:05 AM   #7
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Default Sealing caps

One different approach is to get rubber stoppers from the hardware store, drill them to accept rigid Irline tubing, and then attach the airline to the stub through the plug.

Much easier than trying to seal a cap with silicone.
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