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The plastic material used in detergent pods will dissolve, but not disappear in a septic tank. (Photos courtesy of Sara Heger)
Laundry and dishwasher pods and sheets are made with or wrapped in petroleum-based plastic called polyvinyl alcohol, also called PVA or PVOH. This plastic is designed to dissolve, but it doesn’t disappear. Pods are plastic. PVA is the plastic polymer in almost all dishwasher and...
