Ditto. From what i hear, you prob can't get the temp hi enuf in the oven,,,and can' think of any reason to do this, on so many levels,,,,Just scope out when some is on sale, remember, the bigger the container the better, just keep it closed well between use....Over my many, many years doing this wet box stuff, (don't ask how long, LOL, It'll prob scare both of us :funny: ) i can honestly say, i 've never known anyone that re"charged" their carbon