EH Cal-Mag - 55 Gal. nutrient rich Net / Gross Weight: 36

Net / Gross Weight: 36

low-profile shape

high-output RO filtration

The AS-2 CO2 Alarm Station combines an audio-visual alarm module with a color-coded LED display indicator and a LCD digital ppm level reading

PhysioSpec Greenhouse offers a world-class work and research environment with vivid colors and greater contrast to study the health of your crop

EH Cal-Mag - 55 Gal. nutrient rich Net / Gross Weight: 36Grow Lush, Green Plants Keep your plants productive and green in any growing medium with Cal Mag, a calcium and magnesium supplement from Emerald Harvest. Emerald Harvest Cal Mag is more than just a calcium magnesium supplement. In contrast to competing products, EH Cal Mag contains kelp extract, a natural source of nitrogen and other helpful compounds, making it different from standard products of its kind. Containing top quality ingredients, Cal Mag