feed stores carry higher acidity..
grainger has 30%
walmart, tractor supply, amazon target etc list it as high acid, but like 10%
this place has it at 30%
https://www.factorydirectvinegar.com...ant=1846487555
i use it alot to do bolts and hardware in my tumbler with the green pyramid product
95% vinegar..5% dawn dish soap..+/-......(specifically dawn) and it does amazing things