Ask Mr. Wizard

Oxygen Absorbing Caps

TroubleShooting

Nathan Hoskins - Lexington, Kentucky asks,
Q

Oxygen absorbing caps — I can’t find any science behind them. How does something “absorb” O2? Do they actually work and where’s the evidence?

A
Earlier this year Ashton Lewis participated in an “Ask Mr. Wizard” Q&A on BYO’s Facebook page where questions flew in over a two-hour timeframe. He provided quick and concise answers to over
Response by Ashton Lewis.