Same here!  It would be interesting to map out what algos work well together.  A quick search came up with this article:

 https://steemit.com/mining/@vertti/benefits-of-dual-mining-with-the-convenience-of-nicehash

Which mentions a nicehash fork that includes dual mining:

https://github.com/DillonN/NiceHashMiner

Looks like there might be some interesting possibilities/ideas there to use within zPoolMiner?!