6-12-6 Solu-Cal and Aqua-Ca Starter Lawn Fertilizer6 12 6 Starter Fertilizer + Solu Cal and Aqua Ca with INTENSIFY Soil Microbial BioCatalyst may be applied to a wide variety of turf grasses, including newly seeded areas and existing turf. 6 12 6 Starter Fertilizer + Solu Cal and Aqua Ca with INTENSIFY Soil Microbial BioCatalyst may be soil incorporated at planting time, or side or top dressed when turf is growing. Do not apply when turf is under severe drought or heat stress. For best results, water