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  1. #1

    Join Date
    Jan 2011
    methuen ma usa

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    Default what should i know about co2 tanks before i buy one.

    0 Not allowed!
    To save some $ i might have to buy a co2 tank 2nd hand. My worry is there is some sort of certification that all the tanks need on a regular interval to be filled. Basically i dont want to buy the tank, bring it to be filled and them say " well your tank needs to be inspectes from company x and that costs 200$" or "nope sorry that tank cant be filled ever cause...."

    I know to make sure it holds co2, and doesnt leak, i know how to check for leaks also so theres nothing new there, if i find one on cl, im going to make sure its either filled or im going to meet them at a place to fill it before i pay for it.

    Thanks for the tips if any one has any answers
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  2. #2

    Join Date
    Aug 2008

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    0 Not allowed!
    The tank should have a certification stamp on it. It does need to be certified after a few years, think 5 years. Think certification is like $15-20 varies a fair bit. Take a look at the manufacture date as well, probably best to avoid anything that is too old. Also you might want to check with the place you plan on getting the co2 refilled. Some places won't actually refill your tank, they will take your tank and give you another one that is already refilled. May be cheaper than getting your own tank refilled. Call around and find out what the various places charge, some charge a lot more than others. I get mine filled at praxair. I've heard some people get good prices at places that fill paintball tanks, but they can hit or miss, some are too pricey.

    If you plan on putting the co2 tank in an aquarium stand, make sure you account for the size of the regulator and everything else, so you have enough height for it under the stand. I went with a 10pound tank since it's a decent size and lasts a good amount of time, so don't have to get it refilled often.

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