Well, I hope it's non-toxic. No gloves, mask, etc. I might use one pinch in three or four years, and I wash my hands afterwards. Now that I think about it some more, there is something else I have used - potassium permanganate crystals added to water that then turns purple. Diane On 2013-12-21, at 5:34 PM, Robin Hansen wrote: > "The only fungicide I use is powdered sulphur. I take a pinch between thumb and finger and slide them together so it dusts down." > > > So, Diane, sulfur used the way you use it (with gloves? without gloves, mask, etc.?) is non-toxic to humans? > > Robin > Hansen Nursery > North Bend, Oregon USA > robin@hansennursery.com