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Re: R134 30LB CYL W/DYE QUESTION
Posted to HVAC Forum on 7/21/2009 3 Replies

I've never, ever used red dye. I was taught red dye was like a fine rouge. It would eventually wear shafts at the seal and cause cylinder wear.

Didn't like the new dyes either until manufactures started installing them at the factory. So far I've found no do... Login to read more.

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