Cardy Potassium Refill Kit

This tool provides an accurate measurement of the potassium (K) in plant tissue, soil, compost, foliar feeds, water & fertilizers. K is important to plant growth, disease resistance, cold-hardiness and plant maturity. The meter is easy to use just two drops of the sample solution on the meter will yield a direct PPM readout. Comes with solutions, filter bags & a case. Replacement supplies are available.

Unit Ship Weight: 9 lbs.