Grodan Gro-Block Improved Mini Block 1.5" (case of 50 strips) Canna Cribs S2E13 Jungle Boys A replacement probe for Bluelab

A replacement probe for Bluelab Combo and pH Meters as well as the Bluelab Guardian Monitor

3 x 3 ft Vegetative Coverage: Fills a standard small tent footprint evenly from a single compact COB source

Diameter when full of water: 17"

5 mL per gallon and mature plants get 5 mL

Grodan Gro-Block Improved Mini Block 1.5" (case of 50 strips) Canna Cribs S2E13 Jungle Boys A replacement probe for BluelabGrodan Gro Block Improved Mini Block 1. 5" (case of 50 strips) Introducing the Grodan Gro Block Improved Mini Block 1. 5" a pivotal innovation for passionate growers! Designed with the latest in growing technology, this improved version promises a revolution in plant nurturing: Optimized Density: The new density ensures a firm yet breathable space for your plants' roots, creating an ideal environment for them to thrive. Hydrophilic Technology: Say