I use mold release spray for stubborn molds from Midway USA. I started using it many years ago. For most molds it works for as many as 50-100 cast before having to give it another light spray. Doesn't slow you down and is easy to clean off if you build up too much over time, which rarely happens. I always leave it on them in storage and it is an immediate clue I need to give them a light spray before starting. However as I said it can be applied any time during the casting session.
David Reiss - NRA Life Member & PSC Range Member Retired Police Firearms Instructor/Armorer
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