Oakton Replaceable Electrode for pH WP 2 Pen ph-ec-tds-meters-and-solutions Veg Footprint: 2 ft x

Veg Footprint: 2 ft x 4 ft

This nutrient line is designed to be used in potting soil

OK-35653-01 pH 4

and so much more

Oakton Replaceable Electrode for pH WP 2 Pen ph-ec-tds-meters-and-solutions Veg Footprint: 2 ft xThis part number is for a replacement electrode only, for your Oakton pH WP 2 pen (not the actual unit itself). Optimize nutrient strength during growth, flowering, and fruiting. Reliable waterproof, dustproof housing and replaceable electrode provide long life and value, meaning you won't need to invest in or calibrate another Oakton pen once you've become comfortable using yours. Replacement sensors: OK 35624 09 for pHTestr 1 OK 35624 29 for pHTestr