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Hi its a infinity spas and its the paicifica thanks for you help
If its not under warranty you can drill a very very small pilot hole at each end of the crack then epoxy with a good type epoxy. Should work and should not spread??
For your information I was born in 1946 in London UK so I doubt that I am from the younger generation. I had to leave school at 15 to earn a living unlike the more fortunate that had well off parents to pay for college education. If the lack of punctuation upsets you then "tough"