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Magnesium and nitrogen are central components of chlorophyll
until you decide to reopen the bag
Use in place of any silica
Certification Test
Product Details: House and Garden Nitrogen Boost
Hydrofarm Propagation Mat 12" x 48" 60W millet Magnesium and nitrogen are centralDescription Product Details: Bottom heat is one of the most important and effective enhancements to germination and rooting. the Propagation Mat warms the rooting area to approximately 10 degrees F 20 degrees F above ambient temperature, which markedly improves germination rates and rooting success. The Propagation Mat is 48" long perfect for placing two standard trays end to end, and ideal for placement under 4 foot fluorescent fixtures. At 12" wide,
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