One possible solution, albeit troublesome, is to drain the pool for a
couple of weeks until the bees "learn" an alternative watering site
 
 
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|   Thomas G. Paschall, Jr.    |Be anxious for nothing, but in
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|                              |by prayer and supplication with
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|   Jackson, South Carolina    |thanksgiving let your requests be known
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|                              |to God. And the peace of God, which
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|             USA              |surpasses all comprehension, shall guard
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|                              |your hearts and your minds in Christ
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|       [log in to unmask]        |Jesus. - Philippians 4:6-7
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