DIY CO2 bottles

[An t-iasg]

I'm wondering about the bottles used in DIY CO2. I have some empty bottled water bottles ready to make my yeast mixture in. I also have some of the Hagen containers on my other two tanks. The Hagen containers are dark gray - no light gets in. The water bottles would let light in to the yeast mixture. Does this matter? I know a lot of you guys use the water or pop bottles for your mixtures. Do you wrap anything around the bottles? I did some searching and I can't find anything that says the yeast must be kept in the dark.

 

[RoLeX]

Hi there,

I have never had my bottle in sunlight, however in summer when its hotter the co2 production is a lot faster, one bottle in summer will not last longer than 1.5 weeks for me, in winter i get about 2.5 weeks out of one bottle. (2L bottle)

So im guessing if it is hotter or exposed to sunlight it will produce co2 at a much faster rate.

My suggestion is to try it uncovered and covered and see if there is any difference.

Post the result if u can, it will be interesting too see the outcome and also become a guide for others

cheers

 

[shawmutt]

Can't help you with the light vs. dark, but my bottles fit nicely under my stand. I'm almost certain yeast does better in the dark.

 

[malkore]

"So im guessing if it is hotter or exposed to sunlight it will produce co2 at a much faster rate." - yep warmer = faster CO2 production, and faster burnout of the mixture.

when I brewed beer and mead, you were always supposed to keep it in a dark area, so I used a closet or a room with no sunlight.
i think that had more to do with light oxidation of the ingredients, creating off flavors.

If it concerns you, just wrap duct tape around the bottles to block sunlight

 

[mr funktastic]

somthing else that i have seen people do is keep the bottles in a bucket of water with a heater keeping then at a constant temp. this will help regualte the production and keep it constant aswell as keeping it out of the light. i keep mine sitting nect to my tank. no direct light but some gets to it i am sure and my bottle usually last around 3 weeks continuosly. but my hagen bottle always lasted like 4 almost 5 weeks sometimes... i guess they use super yeast lol

 

[Toirtis]

I know a few people that use those really rugged 2L-3L plastic bottles that cranberry juice comes in....some have wrapped them in black plastic to keep the light out.

 

[maxwell1295]

On my 30gal, I use (2) 1 gallon plastic Hawaiian Punch containers and 2 liter soda bottles on smaller tanks. The important thing is to have a sturdy bottle with a screw-on cap that provides a tight seal.