Spider Farmer
Spider Farmer SF-4000
- Full Spectrum
- 5-Year Warranty
Spectrum data pending verification
VERIFIED SPECTRUM DATA · IES-AUDITED
Stop guessing which grow light works.
Real PPFD maps. Audited efficacy. Filtered by your room, not the manufacturer’s marketing.
- 250+Grow Lights Listed
- 40Verified Manufacturers
- 40Brands Tracked
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Grow Logic Calculator
Enter your grow space dimensions and target crop stage — Grow Logic calculates the exact PPF, PPFD, and DLI you need, then recommends matching fixtures from our verified directory. No guesswork. No overselling.
FEATURED
Sponsored & Verified Picks
Hand-picked lights that have passed our IES audit.
BRANDS
Trusted Brands, Verified Data
Every brand below has submitted at least one listing for our IES audit process.
AC Infinity
2 lights
Agrolux
1 light
Area 51 Grow Lights
1 light
BESTVA
2 lights
BIOS Lighting
1 light
Black Dog LED
3 lights
California Lightworks
3 lights
ChilLED Tech
1 light
Crecer Lighting
1 light
DimLux
2 lights
ECO Farm
1 light
Eye Hortilux
2 lights
Fluence
2 lights
Fohse
1 light
Gavita
2 lights
Growers Choice
2 lights
Heliospectra
1 light
Horticulture Lighting Group
3 lights
Hortilux
2 lights
Iluminar
2 lights
Kind LED
2 lights
Lumatek
2 lights
Lumii
1 light
Lush Lighting
1 light
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Submit your light and have your specs audited against your IES file. Verified listings get the gold badge and priority placement.