Hanna 1413 μS/cm (EC) Calibration Solution, 20 ml, case of 25 spl_jondon Since Safer Brand Insect Killing

Since Safer Brand Insect Killing Soap

KALIX Humic Acid is a highly concentrated (57%) formulation of water soluble organic acids that are found naturally in soil matter

Growcubes are difficult to overwater if the container has good drainage

Roots Organics Coco Chips are 100% pure coco chips from coconut husks

• Use High Altitude model at 4500 ft elevation or above

Hanna 1413 μS/cm (EC) Calibration Solution, 20 ml, case of 25 spl_jondon Since Safer Brand Insect KillingHanna Instruments' calibration solution, ideal for gardening, laboratory work, and field experiments. Comes in a bottle designed to keep air and light from damaging the solution.