Hanna Groline Nutrient Dosing System 3 Gallon Affected larvae move more slowly

Affected larvae move more slowly and tend to become shriveled and discolored before dying

saving valuable time

This unit allows for minimal contact with chemicals and unparalleled simplicity of use

automated pots and planters with large plants

Hanna Groline Nutrient Dosing System 3 Gallon Affected larvae move more slowlyThe GroLine Nutrient Dosing System HI981413 by HANNA Instruments is engineered for maintaining the concentration of fertilizer in the nutrient solution used in hydroponics and irrigation water. The nutrient concentration in the water used for irrigation is critical for the successful propagation and growth of plants. Simply insert the probe and injection valve in line with the re circulation pump and provide the chemical to be dosed. Available in