Great White Granular 1 vpd This meter arrives factory calibrated

This meter arrives factory calibrated and does NOT require user calibration EVER

The micro computer with digital LCD display allows for easy operation

Leafroller (Archips argyrospila)

or grow fresh herbs right in your kitchen

01 pH): standardized against NIST Certified pH references within 0

Great White Granular 1 vpd This meter arrives factory calibratedGreat White Granular 1 is the most affordable organic, mycorrhizal product in the marketplace. It is well suited for use in vegetable, fruit and flower gardens. Great White Granular 1 adds beneficial microorganisms to the root zone to enhance plant vigor and is OMRI AND OIM certified.