2. Storage space, free of dust and insects and adequate for protection of equipment and supplies.
3. Petri dishes, glass or plastic (at least 15×19 mm)
4. Pipeta with pipet aids (no mouth pipetting) or pipettors, 1, 5 and 10 ml, graduated in 0.1 ml units.
5. Dilution bottles, 6 oz (160 ml), borosilicate-resistant glass, with rubber stoppers or plastic screw caps.
6. Pipet and petri dish containers, adequate for protection.
7. Circulating water bath, for tempering agar, thermostatically to 45±1 °C