Sky Trace Farms Tinctures are the pure, full spectrum extracts that many people find highly effective for a variety of conditions. 1500 MG Full Spectrum Tincture 30ML bottle. We use our own flower, grown at Sky Trace Farms, to produce this tincture. Sky Trace Farms uses only organic farming methods to produce the finest in Missouri Hemp. Our tinctures are free from heavy metals, pesticides and other toxins. All tinctures contain less than .3% THC and meet or exceed all Federal Hemp Regulations.