Oil stain help

[sulking1]

Anyone found a successful way to remove oil stain off garden flags, i've tried sugar and bleach, i've tried swarfega oil stain remover next am going to try caustic soda ?

anyone have any suggestions please.

thanks.

 

[rsgaz]

I've had good results in the past with trisodium phosphate and diatomaceous earth (both available on eBay). Sadly nothing will totally remove it though.

https://www.familyhandyman.com/garage/removing-oil-paint-and-other-concrete-stains/view-all/

 

[RigidRaider]

Laundry detergent with enzymes. Works a treat on baked on food on cooking pans. Allow time to soak.