For the second test we burned this candle for 6 hours. The melt pool was the same size as the melt pool from the 9.5 hour test yesterday. Current burns 2, current hours 15 1/2 hours. With a untrimmed wick the flame is very wavy without any air flowing. Our next test will included the proper trimming of the wick for safety. We prefer to do test both ways so we can show the difference of proper trimming vs not being correctly trimmed.