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suitable for KS3+. This Hanna Soil test kit is ideal for testing and monitoring the quality of the soil. Tests include pH level, nitrogen, phosphorous and potassium. Easy to use - a soil sample is mixed with water and combined with one of the chemical reagents supplied with the kit. The resulting solution is compared to the colour chart supplied to determine the concentration of the element being tested, which is indicated as low, medium or high traces (except pH, which is between pH4 and pH9, in 1pH increments). The kit comes with all the necessary components for 25 tests of each of the 4 parameters.
