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Re:Co2
Ken,
You can get CO2 at any welding supply store - check the yellow pages. I
pay $42/year lease on the cylinder, and about $18, I think, to fill the
small 20# cylinder. Depending on what you're killing and how much/how
often, it lasts a long time.
If you're doing LOTS of animals, go with the larger cylinder (same
lease, slightly more to fill it - I think I paid $25, and it's more
than twice as much). It's good to keep two on hand, regardless - so if
one runs out in the middle of a batch, you have a backup. You will also
want to spring for the regulator or flowmeter if using lots of CO2, it
gives you more control over the flow so you don't over-use it.
Otherwise you can just use the valve on the tank itself.
If you only need it for occasional use, for a few small animals/birds,
I've heard you can use the little cylinders for paintball guns, but I
have no idea how you'd regulate the flow on those. Ditto with the
vinegar/baking soda trick - I tried it once, it made a huge mess and
was expensive, and not effective at all.
What are you killing, and how much/how often?
We kill about 2,000 birds (quail) per week, plus a few hundred feeder
chicks and occasional rabbits. We got the big cylinders and the $70
regulator, and are looking at improving our setup - it's taking about 3
minutes to kill 50 birds, but our partners have figured it out so it
only takes 20 seconds. The trick is to let the gas flow *through* the
kill-box, which is counterintuitive since CO2 is heavier than air and
should settle to the bottom, pushing air out the top... but apparently
you get better saturation if it goes all the way through, and fewer or
no dead-spots at the bottom.
LMK if I can help. I've got lots of experience.
Nicole in KY
www.prey4pets.com
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Nicole <nicole@...>
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