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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
overheat protection
Armor Si is suitable for all types of plants during all stages of growth
Digital meters show high levels of CO2
100% Pure lab grade carbon added
PVP Industries Horticultural Vermiculite - 4cu ft Bag Commercial Humidifier overheat protectionPreferred for seeding, plugs, small cells and moisture retentive soil mixes. Horticultural vermiculite is permanent, clean, odorless, non toxic, sterile and pH neutral. It will not deteriorate, turn moldy or rot. Mixed with soil, peat, composted pine bark, fertilizers, pesticides and herbicides and promotes faster root growth and quick anchorage to young roots. Vermiculite granules attract and hold ammonium, potassium, calcium and magnesium needed for
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