- Manolo MJF
- 15-Sep-2025
Which LED grow light brand performs best for cannabis? We compare Mars Hydro, Spider Farmer, and Viparspectra: real PPFD data, prices in euros, grower reviews, and harvest results. Find out which one offers the best value for money.
We regularly drop posts here about growing marijuana. Swing by often if you're as into it as we are.
Mary Jane Farm
