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Chill: I set the cap in the shortest, smallest mason jar (I think it's 4 ounce) with the band holding a filter disk as the lid (some gas exchange, keeps inside of jar from getting too humid). I PC the printing jar before putting in the cap. I leave the cap in for a couple days, until there is a good, dark print visible. As soon as I take out the cap, I draw up some PC'd water (with 1/2 a drop of Jet Dry) into a syringe (usually 60cc), then shoot it at the print. I also have a butter knife that I ground the tip into a screwdriver-like flat tip to scrape the spores off the bottom of the jar so they get sucked up in the syringe (knife is PC'd wrapped in foil). I do this in front of a flow hood.
I stick a clean safety pin into the cap before cutting it as a handle, and leave it in place for quick and easy removal from the jar. This also requires the right sized cap; I prefer one that is slightly larger than the base of the jar so it doesn't rest on the bottom of the jar but 'hovers,' which I find makes the spores easier to mix up into the water, if that makes sense...
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