Bluelab pH Pen Size:pH and Conductivity Pen Pack the surfaces it is applied

the surfaces it is applied to and harmless around children and pets

and increase uptake resulting in healthier plaints and higher yields

algae and mosses

and gardens healthy

These microbes also produce natural plant hormones that stimulate root and top growth in a much more controlled manner than synthetic hormones

Bluelab pH Pen Size:pH and Conductivity Pen Pack the surfaces it is appliedBluelab pH Pen is a compact and durable pH measuring device that is an essential part of any hydroponic grower's toolkit. Monitoring pH in a nutrient solution throughout a growth cycle is tantamount to a successful yield. Growers demand accuracy; the Bluelab pH Pen measures in increments of 0. 1 pH and is fully temperature compensated. The pen is simple to use and made for a grower environment; with it's two point calibration process and buoyant