The Yard Mastery Soil Test Kit: This is an easy-to-use professional-grade kit designed for the DIY community to help you grow the healthiest yard & garden.Fertilizer recommendations tailored to your soilThe report provides 13 plant nutrient levelsPerfect for all growing scenarios (lawn & turf, gardening, compost, trees, vines, ornamental landscape & non-soil media)Each kit provides everything required for useIncludes prepaid return postageDedicated customer support100% USA-madeThere are four different options to select from for this item:One Pack without Probe: (1) Yard Mastery Soil Testing KitTwo Pack without Probe: (2) Yard Mastery Soil Testing Kits Starter Pack with Probe: (1) Yard Mastery Soil Test Kit and (1) stainless steel Yard Mastery soil probe.Pro Pack with Probe: (2) Yard Mastery Soil Test Kits and (1) stainless steel Yard Mastery soil probe.***Note: The probe is an optional add-on and measures at 4 W X 8.25 L, with 1/2 inch diameter and only comes with the packs that say "WITH probe". Product Description: Designed for the DIY community, the Yard Mastery Soil Test Kit will provide you with the information you need to bring your soil to its optimal health. Once your kit has been analyzed, you will be able to view the results in the Yard Mastery app. Don't have the app? You can download it here.   ***Let your soil test results further customize your lawn fertilizer recommendations in the Yard Mastery app when you activate this app feature and receive a FREE Custom Program of Liquid-Granular products:   Product Resources:Package Includes: Testing kit or kits and probe (if selected).Storage: Store in a cool dry place away from direct sunlight. The product will store for 2 years under warehouse conditions. Shipping Information: Shipping CostsIncluded for most states within the U.S.NO P.O. Boxes State RestrictionsAlaska (AK), Hawaii (HI) StickersSorry, no stickers with this item Typical Delivery Time4 - 7 business days Product TypeTesting Kit (Probe if purchased)Cancel | Return | ExchangeAll sales are final; no cancellations, returns, or exchanges