Answer:
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
Blend a teapot shot so the pearlies wonβt rot!
What does no man want, yet no man want to lose?
When the creeper passes, all the grass kneels
It is sometimes known to have silver linings.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?