Bill Truesdell wrote about fluvalinate degradation: > In water the half life is less than a day in > sunlight I would have expected the water to absorb more sunlight than the glass of a solar extractor - making the solar extractor more efficient. Seems to me that we need some proper experimental data here, rather than just opinions and hearsay. Peter Edwards [log in to unmask] -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---