The brightest plant grow lights are high intensity discharge hid lights.
Hid lights for growing plants.
Mid range lights such as a 600 watt or 900 watt led grow light should be 14 36 inches from the top of your plants.
High intensity discharge grow light were first invented for a huge scale for use in public arenas and stadiums.
High powered lights such as a 1500 watt 2000 watt or 3000 watt led grow light should be raised to 24 36 above the canopy.
As the plants grow raise the light fixture accordingly to maintain the optimal distance which varies depending on the type of bulb used and its wattage the higher the wattage the farther away the bulb can be.
These sorts of light are very powerful and they re used by a lot of botanists and horticulturists to grow lots of things besides cannabis.
If you have a perpetual grow matters can get further complicated you will need lights for cloning veg and flower chambers.
As long as you use our grow light coverage calculator and give your plants the wattage they need the number of lights is up to you.
Hydroplanet 600w digital dimmable ballast hps mh system.
Hid high intensity discharge lights.
Led grow light 12 to 24 inches.
Hydroplanet 600w horticulture air cooled hood set.
Popular hid grow light brands we recommend ipower eye hortilux sun master plantmax sun pulse ultra sun ushio digilux maxlume badass solistek lumatek growlite.
While these can be installed anywhere in your house garage or basement they need special fixtures.
Here are the basic parameters.
Ipower 1000 watt hps.
3 to 12 inches.
Our top picks best hid grow lights ipower 400 watt hps mh digital dimmable grow light system.
Hid light bulbs use toxic metals to produce light while led grow lights are eco friendly resulting in energy savings that range from 50 to 70 compared to hid lights.
Lower powered lights such as a 250 watt led grow light should be kept 12 24 inches above the top of the canopy.
The ipower 400 watt hps mh digital dimmable grow light system.
Maxsisun 600w led grow light full spectrum led grow lights for indoor plants veg and bloom plant growing lamps to cover a 2x2ft flowering space 60pcs 10w double chips 4 7 out of 5 stars 336 59 99 59.
In a smaller grow say 2 x 2 it really only makes sense to use one grow light.
There are two categories of hid lamps.
Metal halide mh and high pressure sodium hps.
24 to 60 inches.