Related Clues:

• Petri dish filler
• Growth medium
• Culture gelatin
• Microbiology gel
• What E. coli eat
• Gel in a lab
• Ice cream ingredient
• Culture goo
• Herbert who won a Pulitzer for 'The People's Choice'
• Jelly for germs
• Emulsifying agent
• Biology lab supply
• Ice cream thickening agent
• Biologist's medium
• Lab culture gel