note: when steeping, if possible, keep your juice in a relatively cool, dark, place. Some people even open the bottle, and let it air out. If your as impatient as I am, Fill a pot with the hottest water you can get from your sink, and throw your bottle in there for a few hours to 24 hours. Its a quick steeping technique, not as effective as just letting it sit, but it works.
One benefit of living in the South in the summer time... after a few truck rides across the country bouncing around in a non air conditioned environment, then sitting for several hours in my mailbox in direct sunlight and 90+ temperatures... most of my e-liquids arrived heat steeped and well shaken already.
I usually just pop the tops and put them in a drawer over nite and most flavors are good to go the next morning!!