"Crhoff" > wrote in message
...
> How long can one store made up as a liquid? Seems like making up a
> standard solution so that 1 oz equals a campden tablet would work well.

I make mine a lot stronger than that - more like 220g/l. The stuff is very
reactive with air, so it needs to be stored in a nearly full, tightly sealed
bottle to retain its potency.

20 ml of this solution added to 60 gallons of wine bumps the free SO2 by 10
ppm.

Tom S
www.chateauburbank.com