Justin Seed Company 524 South Hwy 156, Box 6 , Justin , Texas 76247 USA About Solutions products Companies Justin Seed Company Products Model 15-5-10 - Bagged Fertilizer Model 15-5-10 - Bagged Fertilizer From Bagged Fertilizer 0 Share General turf fertilizer. Many people refer to a 3-1-2 ratio fertilizer which 15-5-10 is. Normally is selected for feeding lawns. Most popular related searches turf bag fertilizer turf fertilizer N-P-K fertilizer spray-fertilizer Product Overview Use: General Turf. Spreader Setting: Start 1/3 open and adjust Coverage: 7,000 sq. feet on average Customer reviews No reviews were found for Model 15-5-10 - Bagged Fertilizer. Be the first to review! Add your review Publish your review Great! review successfully added!