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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
The ON duration spans from 5 sec to 30 minutes
compressor
a T-splitter and a special 4 ft RJ12 / Threaded Waterproof Connector cable
high-pressure in-line pH probe with 3/4 ft NPT thread
adding key nutrients into the medium while stimulating beneficial bacteria and fungi
Wollastonite Rock Dust * Size:10Kg / MB The ON duration spans fromWollastonite 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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