The Sunmaster Cool Deluxe bulb is made up of a combination of gases such as Mercury and Argon that provide a cold white light that is ideal for plants that are in the growth phase.
It is a growth bulb and it is one of the best for making plants branchy and strong.
Sunmaster is considered the second best brand on the market for many growers and it is due to its great efficiency, long life and more than adjusted price for the quality of the bulb.
The white/bluish color of the Sunmaster Cool Deluxe bulb is very intense and the plants develop branches and leaves without stopping until you switch them to flowering.
This type of light improves the assimilation of nutrients so that the plant is perfectly covered with food ready to transform into plant cells that give rise to more branches, shoots and leaves.
Sunmaster Cool Deluxe Bulb Features:
| Power | Lumens | Useful life |
| 150 W | 12.000 | 7.500 hours |
| 400 W | 32.000 | 12.000 h. |
| 600 W | 50.000 | 10.000 h. |
| 1000 W | 80.000 | 8.000 h. |
Remember that this bulb needs a ballast to work.
Growlet tip:
Write down the bulb's installation date on the box so you'll remember to replace it when its lifespan expires.
Although you see that the bulb illuminates, the amount of light is not the same and the plants do not receive what is necessary for proper development.
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