Equipment and materials
1. Blender and sterile blender jars (see Chapter 1)
2. Sterile, 16 oz (500 ml) wide-mouth, screw-cap jars, sterile 500 ml Erlenmeyer
flasks, sterile 250 ml beakers, sterile glass or paper funnels of appropriate size,
and, optionally, containers of appropriate capacity to accommodate composited
samples
3. Sterile, bent glass or plastic spreader rods
4. Balance, with weights; 2000 g capacity, sensitivity of 0.1 g
5. Balance, with weights; 120 g capacity, sensitivity of 5 mg
6. Incubator, 35 ± 2 °C
7. Refrigerated incubator or laboratory refrigerator, 4