I recommend Kirkland Parchment (bleached). I have used many and this one is near the top..cheap especially if you press a lot.
As you press with a manual press..you will begin to "feel" the press. For flower my starting temps are 200d F, for about 90 seconds. Note: I suggest two presses per puck to begin. Lots of folks make butter from the spent pucks. Each strain will press a bit differently so experimentation is the key.
I also suggest that smaller amounts will press better than larger pucks. Press slowly, gradually increasing pressure. There is really no need to go full force on most good presses. ie: mine has a gauge, and I have never gone beyond 6500 PSI.
I can't suggest an amount for your Nugsmasher since mine is different. I have the 4x7" that can press up to an ounce at a time..Rarely do I press more than 14grams per press.
Also I don't bother with filter bags (my bad), but I do use a prepress mold so I hardly ever get a blowout (preheating the puck for 20-30 seconds helps too)
I have been thru 4 presses and used to test for Dukytek. Current press is a Dabpress 12 ton w/ 4x7 inch plates
I highly suggest googling Pure Pressure for videos ..imo they are the best
Pressing Rosin is an art,,something that comes with practice. IT'S ALSO A LOT OF FUN!
Enjoy
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