Diatomaceous Earth - Horticultural Grade - 1lb Used as a non-toxic insecticide, due to its physico-sorptive properties. The fine powder absorbs ... more info
13 x 100 mm x 7.0 ml BD Vacutainer® glass serum tube. Red conventional closure. Paper label. No additive, silicone coated. Sold singularly. Perfect ... more info
High quality round bottom Borosilicate (Pyrex) glass culture tubes with marking spot and polypropylene liner-less screw-on cap; not a cheap friction ... more info
Half Gallon jars filled with hydrated organic rye berries. Sterilized at 15psi for 90 minutes. Perfect moisture content. Lids are professionally ... more info
Our 1/2 pint PF jars are made from organic brown rice flour, vermiculite, and reverse osmosis water, which are then sterilized for 60 minutes at ... more info
