Solarizing with cold frames

Anyone ever tried using cold frames for solarizing potting soil to kill pests such as fungus gnats? Seems simple enough, just pop the lid and toss in a bag of soil for a week or two.
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zap damp soil in the microwave. make sure the blower is going. INgrid

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On Jun 18, 8:58 am, snipped-for-privacy@wi.rr.com wrote:

How long to sterilize a 40 lb bag?

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On Jun 20, 2:11 pm, snipped-for-privacy@wi.rr.com wrote:

I can reach killing temperature in dead winter. Summer temps should be near boiling pt of water, especially if wet and sealed in a plastic bag.
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