417-10 Total Hardness Test Kit injection pump We include the necessary 4-inch

We include the necessary 4-inch O-ring gasket with every assembly

The VTF-5HP features a wide 4-inch threaded closure that allows operators to add chemicals quickly and safely without specialized equipment

- Hydroponics and Aquaculture

and all necessary suction/discharge tubing

60 GPD Flow Rate: High-volume output capability suitable for larger commercial and industrial chemical feed requirements

417-10 Total Hardness Test Kit injection pump We include the necessary 4-inch417 10 Total Hardness Test Kit (w HIBS) (Eyedropper Dispenser) Includes: 143 Hardness Indicator Buffer Solution R411 Hardness Titrating Solution (1 drop = 2, 5, 10, 20, 25, 50 ppm 25 ml) Please note that the picture(s) available are generic pictures from the manufacturer.