Par & Lux Meters

Unlock your crop’s full potential with Dr Greenthumbs’ Par & Lux Meters—precision instruments Aussie growers rely on for dialling in perfect light. Discover the organic par and lux meters benefits as these handheld units instantly read PAR and lux, letting you position LEDs or HIDs exactly where plants crave it for vigorous photosynthesis, rapid growth and bigger yields. Backed by Australia’s leading organic and hydroponic retailer, our Spot On and Treeger models add digital DLI tracking and rugged, grow-room-ready housings that stand up to real-world use.

Not sure what a par and lux meter is used for or the best way to apply par and lux meters? Simply hold the sensor at canopy level, compare readings to your lamp’s ideal PAR map, then tweak height or dimming—no guesswork. Pair your new meter with our pest control & fungicide and pH control ranges to keep plants stress-free and nutrient-balanced. Ready to buy par and lux meters that work as hard as you do? Add one to cart and grow smarter today.