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Ships within 48 hours · Estimated delivery Oct 15 - Oct 20
The Bluelab pH Pen is the latest innovation for handheld meters
70°F - 120°F (21°C - 49°C)
Manufactured and assembled in U
Power Adapter
Thrive Alive B-1 Organic (Green Label) Cal The Bluelab pH Pen isThrive Alive B 1 is a power packed preventative and restorative general purpose plant tonic. It stimulates rapid and lush vegetative growth and will ensure the success of floral crops by promoting profuse flowering during blossoming. It facilitates vigorous and healthy root development for both cuttings and established root systems, while protecting your plants from shock.
US$ 89.99
US$ 69.04
US$ 13.23
