> Randy Oliver wrote:
>
>> I'm concerned about overuse of oxalic.  One a year in fall/winter 
>> should be it!
>

>> John Edwards wrote:
>
> Regular intake of oxalic acid may increase the risk of kidney stones.

My concern was as far as mites developing resistance.  The amount 
absorbed during dribble application is far below that of acute health 
risk.  Chronic exposure can lead to kidney stones, but if one only 
treats once a year that would not be an issue.
Randy Oliver

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