Lightboard

Spider Farmer SF300

Spider Farmer SF300 33W supplemental LED grow light with OSRAM LEDs delivering 75 µmol/s at 2.3 µmol/J for seedlings and clones.

PPF
75µmol/s
EFFICIENCY
2.3µmol/J
TRUE WATTS
33W
FLOWER COVERAGE
2x2.5
5-year warranty
MSRP
$63
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Efficiency Analysis

B+
Good
Solid efficiency
Efficiency
Good2.3 µmol/J
PPF Output
Low75 µmol/s
Power Draw
33 W
VS CATEGORY AVERAGE
Efficiency
2.3vs 2.4-4%
PPF Output
75vs 1200-94%
Power Draw
33vs 400-92%

Best For

🌸Flower coverage: 2x2.5
🏠Small tent / closet setups

Coverage Details

Flower
2x2.5
Recommended flower coverage

PPFD Coverage Map

0 ft2 ft
<400400-600600-800800-1000>1000
Hang Height18"
6"36"
AVERAGE PPFD
87µmol/m²/s
PEAK PPFD
154µmol/m²/s
MIN PPFD
29µmol/m²/s
UNIFORMITY
19%
ESTIMATED POWER COST
Daily
$0.05
Weekly
$0.33
Monthly
$1.43
Per Cycle
$5.70
4 months
$/kWh
Hours/day
Open Full PPFD Map Tool

Simulated based on 75 µmol/s PPF output, 120° beam angle, and 1-bar fixture geometry in a 2x2.5 ft area. Actual PPFD varies with environment, wall reflectivity, and other factors. Use the full PPFD Map tool for detailed multi-light simulations.

Features

🔆Dimmable
🔗Daisy Chain
🌈UV + IR
🔲Reflectors
Dim to Off
🔌Remote Driver

Full Specifications

Performance
PPF75
Efficiency2.3
True Wattage33
SpectrumFull Spectrum 660-665nm, 730-740nm, 2800-3000K, 4800-5000K
Beam Angle120
Coverage
Flower Coverage2x2.5
Hardware
LED TypeOSRAM
Form Factorboard
Bar Count1
Physical
Width23.62
Depth5.9
VoltageAC100-240V
Features
DimmableNo
Daisy ChainNo
Other
Warranty5

FAQ — Spider Farmer SF300

What are the specs of the Spider Farmer SF300?

The Spider Farmer SF300 is a light that draws 33W, outputs 75 µmol/s PPF at 2.3 µmol/J efficiency. View full specifications, analysis, and comparisons on Meridian.

Is the Spider Farmer SF300 worth it?

The Spider Farmer SF300 has an efficiency of 2.3 µmol/J and covers 2x2.5 for flower. Check specs, community data, and comparisons on Meridian to decide.

How much does the Spider Farmer SF300 cost?

The Spider Farmer SF300 has an MSRP of $63 and draws approximately 0.4 kWh/day at 12hr. Check current pricing on manufacturer and retailer sites.

Ready to grow with the Spider Farmer SF300?

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