Lighting for Hydroponic Plants
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Light is energy
Plants use light to make food. Leafy greens and herbs need less light than fruiting plants such as tomatoes and peppers.
Natural light or grow lights
A bright window can work for leafy greens and herbs, but many growers find that a grow light gives steadier results, especially in winter or indoors.
Practical tips
- Follow the distance and power guidance from the light manufacturer.
- Use a timer to keep a consistent daily light period.
- Watch for heat near the light and for plants stretching toward it.
- Keep light off the nutrient solution to prevent algae.