9.1 out of 10 based on 71975 reviews
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Cosmos LED Board 300W (Vanguard Hydroponics)
Cosmos LED Board 300W is a high-efficiency, full-spectrum grow light built for serious indoor growers. Delivering 720 µmol/s at 2.4 µmol/J, it provides powerful, even coverage for veg and bloom, silent fanless cooling, and spectrum control for healthier plants and heavier yields.
| Buy 3 units | 5% Discount |
| Buy 5 units | 10% Discount |
| Buy 10 units | 15% Discount |
Cosmos LED Board 300W by Vanguard Hydroponics – High-Performance Full-Spectrum Grow Light
The Cosmos LED Board 300W by Vanguard Hydroponics delivers powerful, full-spectrum lighting built to support healthy indoor plant growth from early veg through to bloom. Using high-efficiency LED technology, it offers strong light penetration and consistent output to help maximise photosynthesis and overall plant vitality.
Designed for practical grow tent use, the Cosmos 300W provides even light distribution for balanced canopy development. Its spectrum includes white light (3000K and 5000K) alongside targeted wavelengths such as red (660nm), UV (395nm), and far-red (730nm), supporting vigorous growth and productive flowering.
With a simple spectrum control switch, you can adapt the fixture to each stage of your grow:
- Vegetative stage: red and IR off
- Flowering stage: red and IR on
The Cosmos LED Board 300W also features a silent, fanless design. With no moving parts and efficient heat dissipation through the PCB, it helps maintain stable performance with minimal maintenance, making it a dependable choice for dedicated home growers and serious hobbyists alike.
Reliable, efficient, and easy to install, the Cosmos LED Board 300W is an excellent upgrade for growers who want stronger indoor lighting performance without unnecessary complexity.
| Power (W) | 300 |
|---|---|
| Dimensions (cm) | 44,5 x 44,5 x 7 |
| Voltage | 264 |
| Rated life (hrs) | 50000 |
| Weight (kg) | 3.8 |
| Fixture dimensions | 30 x 60 x 8 |
