I remember seeing that advice. My first studio was set-up was for tanked 02, so I was advised to get flashbacks for both. In light of the experiences folks posted here, as well as my own, I'm glad I did! In my new studio, I'm setting up to switch between either tanked 02 (for the occasional yen to do big stuff) or an oxycon (I mostly do smaller beads). I have flashbacks for the tanked 02 side, but hadn't considered the oxycon side until I saw the advice you were given, although it conflicts with opinions posted recently, here, and in other threads.
Do you have quick-connects with reverse-flow check valves at your torch, like the ones I bought, or are you going straight from your oxycon to your torch? It may make a difference in what folks recommend to either or both of us. The reference Jes was kind enough to post seems to be more specific to the gas (ie propane) side being problematic. Now that I read it again, I guess I'm not clear whether it applies equally to the oxy side.
Linda
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