I went out for a bit today to cast with my new RCBS mold.
I have to really give RCBS credit. They make a really nice mold. I hosed it off with brake cleaner, put it on the hot plate and when the pot was ready I started to cast.
I put the first four back in the pot and everything after that was perfect. When you've been casting with aluminum and brass you kind of forget how nice an iron mold is.