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co2 tank

  1. General classifieds
    I have a 10 lb and 20 lb CO2 tanks with regulator and solenoid. I believe the 20 lb cylinder is pretty full but the 10 lb is probably empty. I took the tanks back to Watts Welding, where I paid the deposit (i.e. core charge of $120 ea.), and learned that they sold out a few years ago to Airgas...
  2. Dosing and reactor equipment
    I just ordered a calcium reactor and CO2 Tank. My LFS doesn't fill tanks. Does the tank need to be filled with pure CO2? My LFS suggested going to a sports supply store that sells paintball equipment. I don't know if they fill paintball tanks with compressed air, CO2, or a combination of the two.
  3. Reefing Equipment
    I bought a 5lb co2 tank on ebay. I already had a regulator, it's a "single pressure manometer". I've tried placing the regulator on the tank, but I don't think it fits correctly? The thread where you turn the thing that locks on to the tank fits perfectly, but the metal tube that looks like...
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