Kelway Soil pH/Moisture Meter Right handed with axe head hydraulically seated

with axe head hydraulically seated onto handle with a serrated aluminium wedge

but also catering for the professional

Includes problem solving charts and new ideas such as keeping chooks

Featuring over 100 popular cacti and succulents

Describes 133 plants from the montane

Kelway Soil pH/Moisture Meter Right handed with axe head hydraulically seatedDirect reading, accurate and rugged meter for testing soil acidity (pH) and soil moisture content (% relative saturation). The Kelway tester operates on the principle of electrical potential between two dissimilar metal plates without batteries or any external power source. When inserted into moist soil the HB 2 registers degree of acidity on the upper scale. The lower scale shows degree of moisture (% saturation) when the switch button is held