SOIL TEST KIT: Investigates soil characteristics
(NPK) An economical, simple to use soil testing kit with step-by-step instructions supplied for testing for nitrogen, phosphorous and potassium concentration (NPK) in the soil.
Using the colour chart compares the colour of each sample to determine whether the concentration is low, medium or high.
Supplied with 50x each of nitrate, phosphorous and potassium test tabs and flock test tabs, 3x square plastic test tubes with stoppers, 1x 30ml transparent plastic bottle for mixing and a 3ml plastic pipettors