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Ships within 48 hours · Estimated delivery Oct 2 - Oct 7
• Contains humic acids for increased metabolic rates
These slabs come in clearly marked UV resistant poly sleeves for ease of use
They are shipped live and ready to destroy pests
ready-to-use format
Highly reflective aluminum
Oakton Replaceable Electrode for pH WP 2 Pen cloning-and-seed-starting • Contains humic acids forThis 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
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