SurefireHoning/mineral oil is available at most tool purveyors/ hardware stores/ even big box stores for as little as 3-4$ for a 4oz container. You could probably find a local knife sharpener or tool maintenance guy who would refil your bottle as well.
SurefireHello Surefire, We are happy to provide you with Premium Honing Oil which is (FDA approved food safe) in a variety of sizes.
Please contact us at sales@rhpreyda.com or visit our website here https://rhpreyda.com/product/premium-honing-oil/