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Digital Calibration (push button) to any point within the meter's range
UNCLE JOHN'S BLEND (UJB) is a complex potassium mixture used primarily to enhance a plant's metabolic rate
to produce the most effective and user-friendly cloning system ever seen
or for preserving your herbs and harvested crops
COMBO ONA BLOCK PRO X 3 LL SOIL TEST KIT Digital Calibration (push button) toOna PRO Block Solid Can be placed in small enclosed spaces and vents, to control odors The ONA Block measures 3" x 3" and will fit in most places Safe for home or business and can be used around people, pets and plants Simply remove the lid from the block and place in an odor area Three pack.
US$ 197.50
US$ 147.50
US$ 247.50
US$ 112.00