Hanna Primo TDS Tester veg-and-bloom steamed bone meal

steamed bone meal

Use Verde in conjunction with Humboldt Nutrients base nutrients and additives for vigorous growth

Removes 98%+ of all contaminants in your tap water

screwdriver for calibration

recirculating cloning system

Hanna Primo TDS Tester veg-and-bloom steamed bone mealPrimo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. Each tester is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning and filtration systems. Temperature is compensated automatically to ensure readings are consistent to the standard or