Andrew, support and racking is what it is, so what I think is most important is that you clearly mark the material so that the information is easy to...
You can use the GF extender no problem and it may be available locally to you if you have a store that sells GF finishes. If not, I may be available...
I doubt that food coloring is oil soluble, but I could be wrong about that. One way to make reading the dipstick easier is to use reflected light to...