3.3×3.3 ft (100×100 cm) Grow Tent Light Guide — 260–330W LED & PPFD
Lambertian simulation with effective Mylar wall reflectance (50%) across a 100×100 cm (1 m²) floor. No guesswork tables and no brand bias.
- Fruiting LED: 260–330 W (~610 µmol/m²/s · 16 h)
- Herbs & Greens LED: 150–200 W (~300 µmol/m²/s · 14 h)
- Floor area: 1 m² (100×100×200 cm)
Photometric comparison of compatible fixture classes
Simulated by the physics engine at 16 h/day and a reference tariff of 0.25 €/kWh. Estimated · ±20% margin.
| Fixture class | Form factor | Wattage | PPFD | Min–Max | Uniformity | Safe clearance | Cost/mo |
|---|---|---|---|---|---|---|---|
| Modular LED Bar 280W (879 µmol/s) | Spread bars | 280 W | ~610 µmol/m²/s | ~250–1000 µmol/m²/s | 41% | ≥ 30 cm | ~34 € |
| Compact LED Bar 300W (856 µmol/s) | Spread bars | 300 W | ~600 µmol/m²/s | ~240–1100 µmol/m²/s | 40% | ≥ 20 cm | ~36 € |
| Medium LED Bar 300W (854 µmol/s) | Spread bars | 300 W | ~610 µmol/m²/s | ~240–1100 µmol/m²/s | 39% | ≥ 30 cm | ~36 € |
| Modular LED Bar 300W (942 µmol/s) | Spread bars | 300 W | ~670 µmol/m²/s | ~260–1200 µmol/m²/s | 39% | ≥ 30 cm | ~36 € |
| Elite LED Panel 330W (950 µmol/s) | Compact panel | 330 W | ~650 µmol/m²/s | ~260–1200 µmol/m²/s | 40% | ≥ 30 cm | ~40 € |
Arranging mixed species in this tent
Use the natural PPFD drop-off from center to corners: place light-hungry fruiting crops (tomato, pepper, strawberry) directly under the center and herbs or shade-loving houseplants near the edges.