Bluelab pH Pen Size:pH and Conductivity Pen Pack Phosphorous (3%)

Phosphorous (3%)

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

The worm castings are then heated thermophilically to absolutely eliminate and pathogens and weed seeds

Sclerotinia

Bluelab pH Pen Size:pH and Conductivity Pen Pack Phosphorous (3%)Bluelab 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