The best replacement for grow lights is hps.

The best alternatives to grow lights are rated as following:
★★★★★  hps
★★★★  fluorescent
★★★  fluorescent lights
★★★  hid
★★★  shop lights
★★  hps grow lights
★★  full spectrum lights
★★  high pressure sodium
★  metal halide
  fluorescent bulbs
  hps and mh

Your alternative for grow lights is not listed? Suggest!
Speaking about grow lights, one probably shouldn't forget about stands.

Other search terms related to grow lights and their ratings are:
★★★★★ stands
★ seedlings
You have in mind a companion for grow lights and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of grow lights in all years. Click on graph for more.
grow lights
hps
fluorescent