>Oxalic acid solution needs to be stored either for a short time or kept in
>the fridge as HMF will form (it turns brown).

We make up only what we can use. keep overnight in a fridge and pitch after
48 hours. Gives us two days in the bee yards. In most cases we mix several
times a day and might have a little left over to the next day.
Once treatment is completed we toss what is left.

bob
Missouri

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