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Agar is the basis of the ever popular, ever reliable science experiment - comparing the growth behaviour of different samples - of whatever your project demands.

Once prepared, the agar becomes a gel that sits on the bottom of a petri dish.  Apply the samples to the top surface with a cotton bud (a zigzag or hash pattern enables you to see results more clearly) and the agar gel encourages the growth of microbes.

The agar comes as a powder in pill pottles. Hard to get, especially in the small quantities home/budding scientists need. We are one of the few suppliers. 1 pottle‚ with 1 cup boiled water makes 5-6 plates .

Petri dishes available separately here.