It is actually in the IFC Calculator so you can make all the calculations you want there . But looking at the backend now I noticed some slight changes in the composition compared to the website. Some of these companies like to modify their recipes for no apparent reason other than screwing with the IFC calculator 😂. GLA is a company that never answered either of my emails, sms or support question. Poor service indeed, but their product is probably just fine.I can get the GLA Micromix (EDTA 42%+DTPA 14%) in the US. I am reluctant as I can't see on rotalabutterfly where I would select this as my micro mixture.