This is what I posted in your message to me:
I went to the med/hard because their med was too soft for me. I bought the med/hard last summer, but just started using it around New Years, when I finished the med. I was adding some hardener to the med to get it firm enough for me, but the med/hard has been fine without it. I use it straight, with a little heat stabilizer and some scent, for my craws, creatures, and small swimbaits, up to the 3 1/2" ripper. I haven't poured anything bigger than that with it yet.
I haven't noticed any oil leaching so far, and I've poured probably 6 dozen baits with it.
For me, it's the perfect all around blend, like the old bj medium degassed.
I haven't had any problems with bubbles either.
When this gallon is done, I'll order another.
I hope this helps.