NPK soil test kit, test set, nitrogen, phosphorus, potassium x 50 tests each, 5880, 1 set

This is a simple soil diagnostic kit in tablet form. Specifications: Test set Measurement target: Nitrogen, phosphorus, potassium x 50 times each Quantity: 1 set Set contents: 30mL tube, 10mL test tube x 3, color chart (NPK), pipette, reagent tablets (nitrogen, phosphoric acid, potassium x 50 each, extraction x 100), test tube protection sleeve x 2, instruction manual