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How Long Does Silicone Last

Old tank

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2 replies to this topic

#1 AfricaFan

  • PCS Club Member
  • Joined: 25-March 09
  • Location: Armadale

Posted 18 November 2018 - 07:19 PM

I have a 6x2x2 that I purchased second hand in 1994 and has been in constant use ever since. Its still going strong, but I have much newer tanks that have failed. When should I start planning to replace it?


#2 malawiman85

  • Forum Member
  • Joined: 11-December 08
  • Location: Geraldton

Posted 06 December 2018 - 07:57 PM

When you say failed, do you mean that the silicone failed?
I’ve never seen a major silicone failure. A couple cracked tanks but no actual issues with the silicone.
There’s not much pressure put on silicone seems. Keep tanks level and theoretically not a lot that can go wrong.
With the degradation of silicone I suppose it depends on exposure to UV, chemicals, etc.

Anyone else seen total failure of silicone joint?

#3 Peckoltia

  • PCS Club Member
  • Joined: 15-October 04
  • Location: Dianella

Posted 08 December 2018 - 11:30 AM

I’ve had a couple tanks last me for 15-20 years until they were sold on without issue.

My understanding is being dry and exposed to UV is the killer.

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