Yara Liva Calcinit Calcium Nitrate Formula for Fertilizer Greenhouse Grade, 15.5-0-0, 50lbs reservoir Unlike common duct fans that

Unlike common duct fans that uses an AC-motor which are loud and unmanageable

stronger heating wire and thicker multi-layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments

Great for hydro/aeroponics

Contains high grade wetting agent

Yara Liva Calcinit Calcium Nitrate Formula for Fertilizer Greenhouse Grade, 15.5-0-0, 50lbs reservoir Unlike common duct fans thatYaraLiva Calcinit is a fully water soluble nitrogen and calcium fertilizer to enrich the soil and help crops thrive. This calcium nitrate for plants is a free flowing fine granular or prilled material that dissolves quickly in water without any residues. It provides fast acting nitrate N and calcium for those who like to mix their own planting media. You also can use it as a calcium nitrate fertilizer in areas that are low on these key nutrients. This