First things first: ***4013 is highly flammable, it needs to be stored appropriately and you need to wear an approved mask when using it*** Australia will be getting a ‘non flammable’ version due to high import duties but we can add Isopropyl to it (Createxs’ recommendation) Now to get the conversations going. 4012 is no longer listed as an additive on the Createx web site. 4013 is cited as a suitable replacement for 4011. WHY DO CREATEX KEEP CHANGING PRODUCT RECIPES!! after all these years I would have thought they could have found a suitable stable and consistent recipe. people have complained long and loud about the most recent iterations of reducers going ‘off’ and less than satisfactory performance where major tip dry/seeding of paint is an issue. I love their paint but my constant issues with their reducers is getting hard to tolerate and sucking all the fun out of airbrushing. I now have multiple unopened 960ml bottles of 4011/4012 that now likely useless for their intended purpose as they will have gone ‘off’ and only suitable for cleaning.