May 22, 2005 #1 M MTXR [H]ard|Gawd Joined Nov 4, 2000 Messages 1,324 Will Preston antifreeze crack Tygon R-3603 with prolong use?
May 22, 2005 #2 B Borgschulze 2[H]4U Joined Feb 28, 2005 Messages 3,579 Depends on your mixture. But I think anything will crack tubing after prolonged use.
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