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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
High-Performance Sensor: The unit boasts a high-performance sensor with exceptional sensitivity and a lightning-quick response time
Wattage: N/A
You can connect the filter directly to your RO water filter system
Grow Big Hydroponic contains earthworm castings
Lifetime Warranty on Tanks and Parts*
EH Cal-Mag - 55 Gal. pest-and-disease-control High-Performance Sensor: The unit boastsGrow 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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