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  • CO2 regulator seal

    Does anybody know if the CO2 washer (i.e. the seal between the regulator and CO2 bottle) is a standard sized washer or a regulator brand specific washer?
    6' Planted Tank (72" x 18" x 20") - 4 x 30W T8 Tri-Phosphors - 2 x Eheim 2217 'Classic' canisters
    Flourite substrate - Ocean Runner OR-2500 + AM1000 - Tunze Turbelle Nanostream 6045
    6.8kg Catalina CO2 - Red Sea Pro regulator - Swagelok B-SS4-A metering valve - Vecton 600 UV

  • #2
    It should be a standard size. You do have to get a regulator seal as far as I know, not just any washer, but they should be pretty standard.

    Lets see if left c has something to add. He knows more about regulators than I do.
    Carbon, it there something it cannot do?

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    • #3
      Originally posted by scottward View Post
      Does anybody know if the CO2 washer (i.e. the seal between the regulator and CO2 bottle) is a standard sized washer or a regulator brand specific washer?
      Why are you asking this question?

      Comment


      • #4
        Why are you asking this question?
        I have a Red Sea regulator and asked Red Sea how much a new seal will cost. They are about $3.50 AUD for a Red Sea one, but I notice that home brew shops also sell CO2 regulator seals for less than $1.

        Will any seal fit?
        6' Planted Tank (72" x 18" x 20") - 4 x 30W T8 Tri-Phosphors - 2 x Eheim 2217 'Classic' canisters
        Flourite substrate - Ocean Runner OR-2500 + AM1000 - Tunze Turbelle Nanostream 6045
        6.8kg Catalina CO2 - Red Sea Pro regulator - Swagelok B-SS4-A metering valve - Vecton 600 UV

        Comment


        • #5
          Go to any Gas cylinder refill place, they typically will give some for free.
          Ask when you get the tank refilled, they have to be standard sizes, otherwise you'd have to use their special gas tanks and regs, and it would very hard to find someone to refill their special CO2 tanks.

          Regards,
          Tom Barr
          www.BarrReport.com

          Comment


          • #6
            In my place, they usually attached a label of a fully refilled tank with a free co2 washer attached to it.

            When I bought my empty tank they gave me few washers for free.

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            • #7
              Somebody once told me that you are supposed to change the seal at every refill. I was never sure if it was true or not.
              Carbon, it there something it cannot do?

              Comment


              • #8
                They usually provide it, but if not they're cheap enough to replace each time. I suppose you could flip it over for the next use to try and even things out a bit...

                -
                S

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                • #9
                  I found a 'CO2 washer' on a website with the inner/outer diameter, outer diameter was about 19mm, inned diameter (i.e. diameter of the central hole) was only about 5-6mm. The inner diameter of my CO2 seal is 10mm. Is it possible that Red Sea have made their regulators so that only one of their CO2 seals will fit? ;-)
                  6' Planted Tank (72" x 18" x 20") - 4 x 30W T8 Tri-Phosphors - 2 x Eheim 2217 'Classic' canisters
                  Flourite substrate - Ocean Runner OR-2500 + AM1000 - Tunze Turbelle Nanostream 6045
                  6.8kg Catalina CO2 - Red Sea Pro regulator - Swagelok B-SS4-A metering valve - Vecton 600 UV

                  Comment


                  • #10
                    I have the same problem with my Tunze regulator. Standard replacement washers don't fit it for the same reason you seem to be talking about. I just use a rubber washer instead. Found it at Ace Hardware I think and I doubt it's meant for CO2. But it fits—and it works.

                    Comment


                    • #11
                      As long as you replace it with the tank you should be fine. If it's not meant for CO2 then over time it could degrade and break down and cause leaks. If you replace it each time you should be OK.

                      -
                      S

                      Comment


                      • #12
                        I ended up buying a packet of 4 genuine Red Sea seals. They weren't as cheap as what I could have got from a home brew shop but at least they fit.
                        6' Planted Tank (72" x 18" x 20") - 4 x 30W T8 Tri-Phosphors - 2 x Eheim 2217 'Classic' canisters
                        Flourite substrate - Ocean Runner OR-2500 + AM1000 - Tunze Turbelle Nanostream 6045
                        6.8kg Catalina CO2 - Red Sea Pro regulator - Swagelok B-SS4-A metering valve - Vecton 600 UV

                        Comment

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