I used to have concerns with the handle maybe causing issues, and just started using them recently. I think what sealed it as ok was seeing quite a few on the shelves in a winery's storage room. Prob either personal or test batches, but if good enough for them....
Primary: Sparkling White Grape Peach Wine
Secondary: Coco-Strawberry Wine, Pumpkin Wine, Apple Cider
Bottled/Aging: Pear Wine, Strawberry Wine, Blueberry/Blackberry Wine, Mixed Berry Wine (Blueberry, Blackberry, Strawberry, Raspberry, & Cherry), Jalapeno Liquor, Skeeder Pee