There have been far to many instances where they have labeled something as safe to use and then turned around later and it’s found to be horribly destructive , ddt, raid, deet and asbestos are a few that come to mind . If they are telling you it’s dangerous right from the start I would tend to believe it.
These chemicals are horribly toxic esp if you start using them on any regular basis.
most home growers are not trained in safe application methods and some of these chemicals require a applicators license to use, the chance of contaminating your self and the general grow space seems to far out weigh any benefits when there are much safer and effective ways to kill off most pests and problems you will encounter on cannabis.
It’s better to correct the source of the problem than rely on poison to fix it when it occurs.
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