Bluelab Conductivity EC Pen hydroponic nutrients All food-safe 304 construction

All food-safe 304 construction

2 × T5HO 24W Biotropic Purple 8500K fluorescent tubes

8 cubic feet of tumbler volume

Measurements: 16 cm W x 19 cm H

Bluelab Conductivity EC Pen hydroponic nutrients All food-safe 304 constructionIntroducing The Conductivity EC Pen By Bluelab The Bluelab EC or PPM Pen provides an accurate reading of the nutrient levels in your plant's solution and alerts you when adjustments are necessary. To ensure optimal plant nutrition, it's essential to have a high quality nutrient and measure the conductivity regularly. To avoid over diluting or over concentrating the solution, it's recommended to change the entire reservoir every 7 days and add