Cultivation results in 30 days or get your money back

Cultivation results in 30 days or get your money back:


The goal of this experiment is to let you see the power of light through your experiment. 

Steps of running an A/B experiment:

  1. Place a seed or plant under the HortiPower lights and Place a similar seed/plant with the same temperature, soil/medium and nutrients elsewhere indoors but not under HortiPower lights

  2. Make photos at beginning of the set-up and after week 1, week 2, week 3 and week 4.

  3. Compare the results. If the seeds or plants under the lights perform worse than in your regular indoor environment you can contact us for a refund.


  • Applies to the European Union + United Kingdom, for other regions please contact us for eligibility
  • Please start immediately upon receiving the lights
  • Please make photos and share the results with us directly or on your public profile on social media
  • Limited to 1 grow-light set or 4pcs of HortiPower lights
  • Contact us through or instagram @hortipower 

Happy growing!