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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
Crop Types: Vegetables & herbs
hydration and calibration – in one kit
compressor
especially during the transition into the flowering and fruiting stage
Wollastonite Rock Dust * Size:10Kg / MB Crop Types: Vegetables & herbsWollastonite comes from the area around Seeleys Bay in Ontario. Its source is a high grade calcium silicate deposit that when mined and ground down provides an excellent rock dust made up of approximately 27% silicon, 16. 5% calcium, and 4% magnesium. Although most soils can benefit from the calcium addition, it is the silica content here that is of interest. Silica is a crucial mineral, as it contributes greatly to building the strength of cell
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