It's going to heavily depend on how much water needs to be heated and how the vessel seals. Mine needs a strongly rolling boil to seal. I use as little water as

It's going to heavily depend on how much water needs to be heated and how the vessel seals. Mine needs a strongly rolling boil to seal. I use as little water as possible to minimize heating time. It's still 10-15m to pressure buildup at anything below max heat with our giant cooker and another 10-15m to 15psi for sterilization temps.