Hydroponics 4-Way Test Kit
An abbreviated version of our popular Model AM-41, the new Model HP-1 offers tests for pH and three key nutrient factors: nitrogen, phosphorus and potassium. 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.
NPK + pH Testing Kit for Hydroponics
Allows the hydroponic grower to maintain proper nutrient balance of nitrogen, phosphorus and potassium to achieve optimum growing conditions in soil-less cultures.
Conductivity, TDS and pH Testers
In soilless culture, testing your nutrient solution's pH, EC and TDS is critical to the success of the crop.
These waterproof, portable pen testers offer fast, easy and accurate measurements.
The Combo pH, EC/TDS and temperature tester combines all the features in one tester.
All testers come with calibration solutions and a carrying case!