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RE: [APD] To pearl or not to pearl...

Hi Douglas,   

You wrote:
> I've been through this discussion before and no one could explain to me
> where the gasses for super-saturation come from.

I'm curious too!

> Most, if not all, municipalities have water towers that provide the
> necessary water column to deliver the pressure you see at your faucet. The
> water in the towers is not supersaturated, or the gasses would evolve in the
> tower. If the water becomes supersaturated after it leaves the tower,
> someone must be injecting these gasses in the line somewhere.

No municipality, no tower, no injecting here! Just a shallow well (32 feet),
pump, and water tank in my basement.
Bob Zink

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