Grower's Ally Crop Defender 3 Concentrate, 8 oz Humic & Fulvic Acids or living soil before planting

or living soil before planting to help establish a nutrient-rich growing environment

or potassium ratios

There is a TDS chart label on the back of the meter to illustrate the TDS value

and clothed pre-filter

It also detects VPD (vapor pressure deficit)

Grower's Ally Crop Defender 3 Concentrate, 8 oz Humic & Fulvic Acids or living soil before plantingGrower's Ally Crop Defender 3 Concentrate Growers Ally Crop Defender 3 is an OMRI Listed miticide, insecticide and fungicide for weekly use to prevent common pests. Formulated with a synergistic blend of botanical oils and a surfactant, it is a highly effective crop protection formula that can be safely applied up until the day of harvest and leaves zero pollutants. The triple action formula kills powdery mildew, spider mites, russet mites, thrips,