Oakton Replaceable Electrode for pH WP 2 Pen growing-media Vegamatrix Hard-N-Quick is product that

Vegamatrix Hard-N-Quick is product that contains a naturally occurring cytokine which stimulates cell division

It also features brown-out/black-out detection and timing for optimal light restart

OMRI Listed and compliant for use in organic gardening

Produced from materials made in the United States

Oakton Replaceable Electrode for pH WP 2 Pen growing-media Vegamatrix Hard-N-Quick is product thatThis 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