Posted 10/30/2025 21:16 (#11419104 - in reply to #11418939) Subject: RE: Sudan after frost
For prussic acid you need the special paper strips. Take samples from around the pasture and clip them up with scissors place clippings in ziploc bag or jar with a strip of test paper. Let sit for a few minutes and compare the color of the strip to the legend that comes with the strips
Sudan after frost
