A practical method for reviewing light, climate and electricity during an HPS-to-LED change.
The HLG blog
Switching from HPS to HLG LED: what changes in the grow room?Read More
Quantum Board only, kit or complete light: what do you need?Read MoreWhat each product type includes or requires you to verify before ordering a component.
HLG 100 V2: choosing between 4000 K and RspecRead MoreA guide to 4000 K and Rspec that separates the variant listing from similarly named standalone products.
Vegetative lighting: HLG 65 V2 or HLG 250 Veg Pro?Read MoreTwo very different vegetative-lighting formats, chosen by growing-area geometry and target intensity.
How high should you hang an HLG light and set its power?Read MoreA step-by-step adjustment method based on the correct manual and canopy-level measurements.
How to read a PPFD map and spot poorly lit areasRead MoreA practical method for spotting weak edges and comparing PPFD maps under matching conditions.
PPF, PPFD, efficacy and DLI: understanding grow-light numbersRead MoreA clear reference for emitted photons, light received at the canopy and daily exposure.
HLG 350 Diablo or 750 Diablo: how should you size your lighting?Read MoreA layout guide for choosing between a 350 Diablo and a 750 Diablo, including multiple-fixture scenarios.
HLG 750 Diablo, Diablo X and Diablo ES: what is different?Read MoreThree similar names, three distinct HLG 750 products. A sourced comparison that keeps product generations separate.
Which HLG light should you choose for your grow tent or room?Read MoreChoose an HLG fixture using the real crop area, stage, headroom and canopy light distribution.
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