Bob said, >I always experiment with a new product and did with Api life var. >Using less of a product is always legal but not more. Not so. In the US, all registered pesticides have label instructions on how it must be used and any usage outside of those instructions are technically illegal - even using less of a product than what the label specifies. Of course, you will likely never get arrested for it and it happens all the time - as you so well pointed out. But that is the sort of behavior that leads to resistant varieties of the pest you are trying to control and even bigger problems down the road. Having said that, I do not know if Api Life Var is a registered pesticide or not, but I suspect it is. The casual, but flagrant violation of the pesticide laws by many beekeepers I find to be nothing short of amazing - as evidenced by my own assembling of an oxalic acid vaporizer this past weekend. Randy Flaming Oregon :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::