Answer
As packaged for sale, Prismasol 4 mmol/l Potassium has a shelf life of 1 year in PVC bags and 18 months in polyolefin bags.
Sources for this answer
- Prismasol 4 mmol/l Potassium solution for haemodialysis/haemofiltrationVantive Limited · emc · SmPC §6.3 Shelf life · Version 6Document updated
Sources checked