Potting soil often contains perlite, which is a type of volcanic rock that helps keep soil light and airy. Learn how it works in this episode of BrainStuff.

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<p>Potting soil often contains perlite, which is a type of volcanic rock that helps keep soil light and airy. Learn how it works in this episode of BrainStuff.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

BrainStuff

What's the White Stuff in Soil Mixes?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/746d6539-e0b6-4054-b284-ae32002edd59/transcript

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