Posted part of this in the CloneDVD forum, but thought this was also appropriate.
Purchased a 50pk spindle of Verbatim Branded Silver DVD+R 16X at Best Buy a while ago. Just started using them recently. Turns out that thus far, every single one of the six I’ve used thus far cannot be played in any player. Have used Verbatim, Imation, Maxell in the past with no issues. Had a few left-over Imations I found and recorded exact same content on them - played perfectly. BTW, also have recording speed set to 2x and didn’t change that. Stamped codes on the media include: