EH Cal-Mag - Quart - Case of 12 biological fertilizer 3X 250 PSI ASME Safety

3X 250 PSI ASME Safety Valves

For extended storage (4-12+ months) store in the fridge

making it perfect for extended use in commercial or residential settings

Made with super reinforced sides and lip with thick plastic and UV protection for durability and long life

Use from seedling through structural growth phases

EH Cal-Mag - Quart - Case of 12 biological fertilizer 3X 250 PSI ASME SafetyGrow 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