Wine/developer preservative?

Is this product is made for wine, but is it good for film and paper developer?

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I imagine that some darkroom chemicals are just as expensive as some fine wines

I currently is an old sprayer can of Beseler chemical preservative that works well. It's heavier than air so I spray for 5 secs and it sinks to the bottom of the bottle of developer.

Yes, 100% inert Argon gas.

Thanks

fotch said:

Yes, 100% inert Argon gas.

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Thanks! From the looks of his website, he looks like he's on vacation.