Photone - Grow Light Meter
The grow light meter app to measure PAR, PPFD, DLI, lux or fc with your iOS or Android device. All-in-one PPFD Meter and DLI Meter.
More from Gear & gadgets
UsedCarsNI
Motorious
Largest marketplace of verified dealership collector cars and classic cars for sale. Engaging daily content tailored to your passion from vintage to exotic.
overkill
Commentary on hobbies, obsessions, and the overkill approach to life. By Kevin Wammer.
Gear & Grit
Tools and mindset for the deliberate cyclist. Honest, real-world gear reviews paired with the science of endurance and mental toughness. Ride smarter.