Steve Calvin wrote:
> Edwin Pawlowski wrote:
>
>> Fill about 1/3 to 1/2 with sand and put foil over the top to keep the
>> grease out of it. It will take about the same time to heat up as water.
>
>
> That's been my experience as well. Be sure to used the washed playground
> sand.
>
>

I like my natural bob cat sand down in the wash close to my home...
seems to be fine as long as you don't see any clumps.