We had the big presto one for over 20 years. Gave it to a friend who used to borrow it. It was the 2 story one. We just got tired of low acid veg preserved this way. We like crisper not mushy beans, etc. We have been vacuum sealing and freezing for several years. We ate our last bag of sweet corn in July from last year. Still sweet. We cut the raw kernels off the cob, bag and vac seal. Just did a dozen bags. Will do that once more next week. Everything else acidic we water bath.
I tried pressure canning corn and it turned dingy right off the bat and whenI looked at it recently, it’s gotten even worse.
It looks terrible and I’ll probably end up tossing it. Nobody is going to want to eat it looking like that.