Everyone has a choice, we have different trains of thought I don't hold that against anyone we are all different.
Cleaning a plunger base and O ring would surely be a lot easier than taking apart the large butterfly valve.
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Unscrewing the bottom fixtures are easily done, taking the top lid of is easily done too, no belt wrench required. Wouldn't say we are splitting hairs. Yes Meddos reply is excellent, there will always be differences which does not suit everyone, the difference for me is the simplicity of the use and dismantling of the FK. I am sure there are users of the FermZilla who like taking apart butterfly valves, but that does nothing for me.
You can put dry hops in the bottom of the FK unit but why bother not only with the FK but with the FermZilla, depressurise take the top off and drop them in, there isn't going to be an exodus of CO2. Then again on the FermZilla it would involve a wrestling match with the belt wrench and the body of the FermZilla.
I don't think it is a stretch of the imagination about the exploding bodies or bottles, plenty of evidence out there, and the guy who got a neck wound wasn't imagining it either.
Doesn't matter how many variables are at play, even if it is user error there is still liability on the manufacturers part.
As for the purchase of my FermZilla I got it off Bbowzky1. Two boxes siting in his brewery I just picked one up both were undamaged boxes and both unopened he didn't push one to me, it was my choice, and he's no Derren Brown.
Also when he read my post he did message me offering to take it back, but appart from me there were a few of the early ones with dents. WEAL and Farsideofcrazy did mention it could have been trapped air inside the mould on the machine but it definitely wouldn't pop out.
I am glad you haven't had any problems and you get many years out of using it
Cheers Tim