Argon is better at reducing oxygen ingress in the short term, less than 2 weeks. But only strictly as a measure of dO2, sensorily a panel of experts were unable

Argon is better at reducing oxygen ingress in the short term, less than 2 weeks. But only strictly as a measure of dO2, sensorily a panel of experts were unable to determine the difference. So I would choose whichever is cheaper.