Pumice calls for little routine maintenance, but there are a few considerations for those applying it in own care, construction, or horticulture: The main element with pumice stones should be to only rely on them on long lasting surfaces like porcelain and ceramic and also to always hold the surfaces https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/