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and extends 7" outward in each direction
Due to its wide application and inexpensive equipment
Temperature (°C/°F)
Grow Big Hydroponic contains earthworm castings
Wattage: N/A
EH Cal-Mag - 55 Gal. pest-and-disease-control and extends 7" outward inGrow 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
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