This small test kit is ideal for soil science education and any horticulture use. Test procedures, diagrammed instructions and laminated color charts are used for measuring nitrogen, phosphorus, potassium (15 tests each) and soil pH (30 tests). Soil handbook and guide manual are included, along with lime and fertilizer recommendations. Made in USA.
Zipper case provides ample room for all components, including the instruction manuals and accompanying handbooks. Mesh pouch in the case lid holds color charts, etc. Phosphorus test tablets are individually blister-packed for ideal moisture protection and convenient dispensing.