I have read every post. In terms of Roman construction of roads, the fact their roads have withstood time is because they developed a stable multilayer foundational system to support the top layer. It had nothing to do with the concrete mix.
I never stated that the Rislone VOA proves anything. In fact, a VOA proves nothing with respect to performance.
I have used both and found HPL EC does a better job at softening and "solving" carbon.
Whatever product you decide to use, it is a good idea to change filters at half your nominal OCI.