Kelway - Model HB-2 - Soil Acidity and Moisture Tester

Add lime only when you need it. Fertilize only when the soil can use it. Get on the spot results without time lag. No batteries or chemicals. Reliable, accurate – portable. Only 6tt inches long - weighs 8 oz.. Complete with handy carrying case. Added feature - moisture test circuit. Press button and read % saturation of soil.