RAPITEST SOIL TEST pH NPK Rapitest Soil Test Kit [model 1601]
SOIL TEST PH,N,P,K
Kit includes: 4 color comparators, 40 test capsules, 10 each for pH, N, P and K, complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden. Plants need food (nutrients)for healthy growth. Nitrogen, Phosphorus and Potash (N, P and K for s... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA....more info.