Been doing this for over 20 years now and the only time a lettuce has gone bad on me is when it was left forgotten for a couple of months. lettuce secrets
I have a Tupperware "Lettuce Crispit" which I guard with my life it's so old and does what it's meant to do...
...my tupperware lettuce container has just given up the ghost after 34 years, it was scoured on the sides, its been relegated to the shed now, so is still in production source
Is Iceberg lettuce a drug?