It took me a few minutes to find the triangle (duh, it’s on the bottom) It has #1 inside the triangle, so I will use them. thanks for your help.
Yep. General rule is recycle 1 will work for a while.
When I use them for bottling beer, I don't use them for more than 4 uses (more of a cap issue than a bottle issue).
For storing water, I'm good with up to a year in a dark area without any concern.
/johnny