One container of Seasoning Oil Blend should last a minimum of 3 months(90 days) with everyday use.

Absolutely not required! We recommend following the instructions outlined here

Generally this would mean that too much was applied. In the seasoning world, less is more. Heat the pan and wipe it as dry as possible.

Absolutely! Most flat top griddles are carbon steel and will love our Seasoning Oil Blend! We have many customers with Blackstone and Camp Chef griddles who have had great success with our products. We recommend using our instructions outline here