Filter seals and Co2

Discussion in 'Carbon Dioxide (CO2)' started by Zachary1941, 7 Sep 2009.

  1. Zachary1941

    Zachary1941 Newly Registered

    23 Jul 2009
    I am stating my pressurized system tomorrow and have been setting it up (Trying it out so to speak) Have put my diffuser under the inlet strainer of the tetratac 1200 filter...The tiny co2 bubbles are about 98% going into the filter hose..and should be of course coming out the spray bar. Great .. However, read somewhere on here that Co2 going into the filter via the inlet does in time destroy the filter rubber seals......Can anyone confirm if this is correct please...Regards Zac
  2. JamesC

    JamesC Member

    3 Jul 2007
    Bexley, Kent
    Yes CO2 will attack rubber seals. Some people get away with it whilst others don't so you'll always get people saying 'I've done it for years without problem'. Keeping the seals well greased may help. I've been told that Eheim will invalidate your warranty if they see that you've pumped CO2 inside the filter. It's the CO2 gas coming into direct contact with rubber that causes the problems and not dissolved CO2.


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