Hey, jumping into the discussion here with something Henry might find interesting regarding 1218, temperature and humidity. I just got back from Arizona where I used a whole case of 1218. Room temp. was consistently 80 degrees, low desert humidity. I made about 5 dozen pillars, most of them the kind you're trying to make: solid-colored-translucent, glow-all-the-way-down when lit. Some with fragrance, some with mineral oil, some with neither; I used various amounts of stearic and/or vybar, some with no additives. Pouring temps varied from 170 to 190, wax was never cooked at high temp. Result: Some were great, some were not, but out of 5 dozen pillars, there wasn't a single fingernail in the bunch. (A previous case of 1218 in Arizona also produced no fingernails--low humidity perhaps?) This probably doesn't help, but thought I'd share anyway.