HPS has very little red too, far less than folks realise, while HPS work, they aren't a very good solution at all. The best 1000w HPS are claimed to have 135000 lumens these days, but I think 100000 is more realistic. Also, HPS and MH have zero UV as the quartz glass envelope is designed to block UV, it is a requirement by law as UV is harmful. Plasma lights also use quartz envelopes so again, no UV.
No-one has ever been able to show any benefit to using UV, Sam skunkman did tests and could find no benefit, only a couple of folks like some dude with a really bad attitude at icmag and ot1 at uk420 claim to use UV light with good results, but they have never shown any data or comparisons. You can get a 400W UV lamp that will run in a normal HPS fixture and ballast, never seen anyone try using one of those yet.
Here's a typical HPS spectra, as you can see, no UV and little red.
