Home Ideas Keurig’s K-Rounds Are Compostable Coffee Pods, but They Only Work With Its...TechIdeasKeurig’s K-Rounds Are Compostable Coffee Pods, but They Only Work With Its New Alta Coffee MachineMarch 13, 202412FacebookTwitterPinterestWhatsApp keurigs k rounds are compostable coffee pods but they only work with its new alta coffee machine The new K-Round coffee pods are made out of coffee and seaweed, but they’ll only work on Keurig’s new Alta coffee maker.Source: WIRED.com