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using halogen lights for growing weed

A good way to measure plant growth efficiency of different types of lighting is PAReff. PAR stands for Photosynthetic Active Radiation: the wavelength range of light between 400 and 700 nm that can be absorbed by leafs for plant photosynthesis. PAReff is the PAR/Watt efficiency ratio over a certain area.

Don’t use regular incandescent bulbs ("grow bulbs") or halogens to grow cannabis, this type of light generates huge internode spacing, poor vegetative growth, skimpy yields, and could set your grow room on fire due to the dangerous amounts of heat these lights produce. Spend your money wisely, invest in Fluorescent lighting (good), or High Intensity Discharge lamps (HID– recommended). HID lighting such as Metal Halide (MH) or High-Pressure Sodium (HPS) supply the high-intensity light that cannabis needs for good growth and large buds.

Put it as far away as possible.

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Philips Dense-Line Emitter Metal Halide, 4100K: 1.38 PAReff

Q: Do halogen bulbs have a good spectral output for plant growth?
A: No, the spectral plot output of various halogen bulb types is by far the worst.

Well-Known Member

Like in a trash can. Sorry man Halogen wont do any good.

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nice i cant stop laughing.

There are various types of grow lights on the market available to cannabis cultivators. It is important to choose a grow light that suites your needs and fits within your budget.

High Intensity Discharge Lights (HID):

There are two main types of HID lamps, these are High-Pressure Sodium lights (HPS), and Metal Halide lights (MH).

High-Pressure Sodium Lights (HPS):

HPS lights tend to be the favorite of most cannabis cultivators. They have a wattage range of 75-4,000 watts, come in all shapes and sizes, have ideal CCT levels and produce a good amount of lumens. Part of their popularity stems from the excellent growth their light spectrum promotes during the flowering stage.

Using halogen lights for growing weed

Having a lighting system is an indispensible requirement if weed growing especially for indoor growers. This is because your plants need just as much light as those growing outdoors for proper growth. Different weed growers use various types of lighting systems to illuminate their grow tents and grow rooms.

Review of Halogen Grow Lights

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Our pick of halogen grow lights

As much as some people use halogen grow lights for growing their weed, they come with their downsides, which may be the one reason they are not as popular as the rest. The lights generate too much heat as compared to other lights, which if not controlled properly can burn the plants. The bulbs also get too hot such that touching them with your bare or oily hands can lead to disaster. When setting them up, you should always make sure that the distance between the lights and the tips of the crops is 6 to 12 inches.