Bluelab pH Probe rainmaker-pressurized-pump-sprayer Calcium is the basis of

Calcium is the basis of cell wall development in a plant and the chelated calcium in Plant Amp is extremely soluble

It also helps compost piles heat up and break down fast

and even comes inoculated with a generous amount of mycorrhizal fungi

We heavily tested and vetted all our products

rooting cuttings or drying

Bluelab pH Probe rainmaker-pressurized-pump-sprayer Calcium is the basis ofDependable double junction pH probe technology that's built to last Double junction probe reduces reference contamination, extending longevity Fully waterproof not just water resistant BNC connector allows use with all other compatible Bluelab and Autogrow products 2 metre cable for measuring in hard to reach locations Use the included storage cap with KCl to lengthen probes lifespan Fast sensor response ensures quick and accurate measurements