The Hydroponics 4-Way Test Kit offers tests for pH and three key nutrient factors: nitrogen, phosphorus and potassium.
Includes materials to perform 50 tests
Offers tests for pH, nitrogen, phosphorus, and potassium
75 page handbook included
It allows the hydroponic hobbyist to maintain proper nutrient balance and to achieve optimum growing conditions in soil-less cultures. Reagents sufficient for 50 tests per factor and complete labware are foam-mounted in a sturdy carrying case. Instructions and 75-page hydroponics handbook are supplied.
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