Item model number: 1663. In contains all components needed for a total of 80 tests. 20 each for soil pH, Nitrogen, Phosphorus and Potash. Contains components for 80 tests. 20 each for Soil pH, N, P and K.
Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA design…
It’s vital to know the existing pH, Nitrogen (N), Phosphorous (P) and Potash (K) levels in garden soil. The kit includes all components needed to for (20) tests: (5) each for pH, Nitrogen, Phosphorus and Potash.