Signal Blue Liquid Spray Colorant provides a handy way to keep track of where you’ve sprayed. Now you can eliminate chemical waste due to overlapping. Colorant temporarily turns your spray solution blue so you can see exactly where you’ve sprayed. Colorant measures: 1/2 oz. for 1 gal, 1 qt. for 75 to 100 gal., and 1 gal. for 300 to 400 gal.
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