PDF 49508 Lesco 3-Way (10404-43)(2.5g) BK - gmufourthestate.com 49508 Lesco 3-Way (10404-43)(2.5g) BK 8/12/10 10:07 AM Page 2. DIRECTIONS FOR USE ... THREE-WAY SELECTIVE HERBICIDE can be mixed with some liquid fertilizers or liquid iron materials. Because liquid fertilizer and liquid iron differ in pH, free ammonia content, density, salt concentration and percentage of water, ...