4EC) or higher

Revised circuit board with 3 new circuitry chips = more stable and consistent readings

Whether you're storing coffee

Enjoy the convenience of high-quality storage solutions while contributing to a greener planet

Royal Black - Humic Acid Size:1L / 1 Quart 4EC) or higherProduct Description Royal Black, OMRI Listed for organic use, enriches plants with humic acid, crucial for nutrient absorption. Its natural chelating agents transport essential minerals, enhancing growth and root development across all stages. Ideal for pre treatment, especially in coco mediums, Royal Black integrates seamlessly with any fertilizer regimen, promoting vigorous plant vitality and efficient nutrient utilization.