Heliospectra’s Bankruptcy: What It Means for Grow Light Buyers
Heliospectra AB went bankrupt July 27, 2026. What it means for growers running their fixtures, and how to vet manufacturer stability before you buy.
Read more →AGL JOURNAL
Grow Light Science & Verification Cases
Deep dives on PPFD, spectrum, efficacy claims, and the manufacturers that actually deliver.
Monochromatic LEDs Cut Iron and Zinc in Greens by Up to 70%, New Research Shows
A May 2026 study found monochromatic red or blue LEDs cut iron and zinc in leafy greens up to 70% versus red-blue light. What growers should check.
Read more →
Postharvest LED Treatments: What the Research Says About Replacing Fungicides
Published trials show blue and violet LED light triggering a fruit's own defenses against postharvest decay, no fungicide required.
Read more →
Longer Photoperiods, Lower Intensity: What New Lettuce Research Means for CEA Lighting Design
New 2025-2026 lettuce studies show photoperiod timing changes yield and fixture sizing at equal daily light integral.
Read more →
UV-C Is Replacing Fungicide Sprays in Commercial Grows. Here’s What the Research Shows
Nighttime UV-C treatments cut mildew and mite pressure without fungicides. Here's what peer-reviewed research and commercial field data show.
Read more →
Bumblebees See a Different Grow Light Than You Do
Commercial greenhouses tune LED spectrum for plants. Research from Wageningen, Koppert, and Valoya shows bumblebee pollinators read it differently.
Read more →
Light Leaks and Potency: Two Cannabis Grow-Room Rules, Tested Against the Research
Does a light leak cause hermaphrodites? Does more PPFD mean more potency? What the actual cannabis lighting research shows.
Read more →
Full-Spectrum White vs. Narrow-Band Red/Blue Grow Lights: What Drives the Efficacy Gap
Full-spectrum white and narrow-band red/blue LEDs aren't equally efficient. The physics behind the gap, the yield tradeoff, and how DLC V4.0 changes the choice.
Read more →
Grow Light Tariffs in 2026: What Commercial Buyers Need to Know Before Your Next Order
Section 301 tariffs on LED grow lights survived the 2026 Supreme Court IEEPA ruling. Here's what commercial buyers need to know before ordering.
Read more →
80 Acres Farms Just Shut Down. Here’s What It Means for Your Grow Light Capex Decisions
80 Acres Farms folded this week after $275M+ raised. What the vertical farming shakeout means for how you budget, finance, and vet grow light purchases.
Read more →