ALAT UKUR KADAR NPK / NPK METER
The Reflectolab plus/ NPK adalah alat yang dapat mengukur kadar N – P – K di dalam air, tanah dll.Potassium ( for 100 tests) range: 1-25 mg/ l, Nitrate ( for 50 tests) range: 5-225 mg/ l and for Phosphate ( for 50 tests) range: 5-120 mg/ l..
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