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    What People Are Saying

    Good value
  • Michelle
  • 11/14/2016
  • This will be so handy to have on hand so I can whip up a couple of petri dishes as needed. I was worried about the pre-mix agar going bad, so this will store nicely!
    Excellent product
  • Paula
  • 10/14/2016
  • I purchased 3 bottles and 60 plastic petri dishes. I mixed the powder according to directions, 250 mL water per bottle of powder. I put in microwave and stirred after every 30 seconds until it reached 90 degrees Celsius (about 2 1/2 minutes). We inoculated with swab samples from all over school, and the students loved seeing what kinds of bacteria, fungi, and other germs are "floating around all over the place."
    Exactly What I Needed
  • Hannah
  • 04/14/2016
  • This product was everything I was looking for! I filled 5 petri dishes and still had quite a bit of powder left over.

    reward points

    Agar, nutrient, 8 g, dehydrated

    Ages 12+

    Item# CH-AGARN08

    $5.05 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    This is the powder form of nutrient agar.

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    • Product Details

      Agar, nutrient, 8 g, dehydrated

      This is the powder form of nutrient agar-- add water and sterilize for a general purpose nutrient agar base. Nutrient agar is the most commonly used media for filling petri dishes and growing bacteria. This 8 g container makes about 250 ml of nutrient agar—enough to cover 20 standard 90-100 mm petri dishes.

      This nutrient agar can be sterilized in a pressure cooker before pouring into sterile plastic dishes. Use 15 lbs pressure for 15 minutes.

      Instructions: Mix 1 level teaspoon (approximately 2.2 grams) of dehydrated nutrient agar with 100 ml (3/8 cup) of room-temperature water. Bring to a boil while stirring to ensure the agar is completely dissolved. Pour 10-12 ml hot agar in each petri dish, just covering the bottom. Replace the dish top immediately after pouring to prevent contamination. Let dishes stand 1 hour for agar to solidify. This recipe makes 100 ml of nutrient agar solution, enough to cover 7-9 standard 90-100 mm petri dishes.

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