Bluelab pH Pen Herbicide Spray that are fed a single

that are fed a single and consistent feed to produce the finest quality liquid bio-stimulant available

It's growth promoting substances (Auxins

fish and plants

It is designed to be an effective biological food substrate for use on all types of plants and in all types of soils

Bluelab pH Pen Herbicide Spray that are fed a singleBluelab 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