A rough guide that works well — growers can push results further by adjusting to their own environment. Seedlings and clones need less: dial down or raise the light to get them started.
| Series | Veg stage | Flowering |
|---|---|---|
| Quantum Sun Series | 50–60 cm · 50% power | 50–60 cm · 100% power |
| Optic Sun 1 | 40–50 cm | 30–40 cm |
| StarShip Series | 50–60 cm · main dial 50%, IR on | 50–60 cm · 100%, IR + UV on |
| StarFighter | 55–65 cm · 50% power | 55–65 cm · 100% power |
| CommandShip Series | 50–60 cm · veg channel 100% | 50–60 cm · all 3 channels 100% |
| Quantum Star Series | 50–60 cm · 50% power | 50–60 cm · 100% power |
The symptoms tell you everything. Too little light and plants stretch, growing leggy with long internodes. Too much and growth slows — and at the extreme you'll see light bleaching on the top colas. To cover a bigger vegetative footprint, raise the light and increase intensity.
DM
Written by Dave Mills
30+ years growing hydroponically, 20+ years running his own hydroponics store, and 14 years designing and researching grow light spectrums. Regarded in the industry as a master grower, Dave brings deep knowledge of plant biology, nutrition and LED technology to every product.