3 in 1 Digital pH, TDS, & Temperature Water Quality Monitor Pen Light Hangers / Ratchets Crop Control should be applied

Crop Control should be applied every other day up to 3 times per week until the infestation is controlled

Efficiency does not diminish and is maintained for the entire life of the unit

pH Regulation: Bone char has a neutral pH

where you can control your lights in two separate zones

Use Grow Big® early in the season when young plants need an extra boost

3 in 1 Digital pH, TDS, & Temperature Water Quality Monitor Pen Light Hangers / Ratchets Crop Control should be applied3 in 1 Digital pH, TDS & Temperature Meter Precision Water Testing Made Easy Dial in your water quality with confidence. This 3 in 1 Digital pH, TDS, and Temperature Tester is an essential tool for hydroponic, aquaponic, and soil based growers who want healthier plants and consistent results. Perfect for Hydroponics & AquaponicsWater chemistry matters. This pen style tester allows you to quickly and accurately measure pH, total dissolved solids (TDS),