The best replacement for hydro is soil.

The best alternatives to hydro are rated as following:
★★★★★  soil
★★★★  nitro shocks
★★★  oxy
★★  kush
★★  dirt
★  soil cannabis
★  oxy stronger
★  hydro edge
★  soil what is better
★  coco
★  belt walk behind
★  solar
  cable transmission
  aero
  soil marijuana
  soil yield
  bush weed
  gillette fusion
  belt drive
  nuclear
  gear drive
  chronic
  haze
  hydro
  hydra
  hygro

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

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



Google Trends

Scale is based on the average worldwide traffic of hydro in all years. Click on graph for more.
hydro
soil
nitro shocks