TIPS FOR USING HIGH INTENSITY DISCHARGE LIGHTS IN HYDROPONICS

High Intensity Discharge Lights are the most efficient lighting made for plant growth.  They are used for supplemental lighting in greenhouses during low-light or short light conditions as well as for indoor gardens.

There are two types used:

Metal Halide.  These produce light in a blue-white light spectrum and are good for vegetative growth, non-flowering plants, seedlings, and cuttings.

High Pressure Sodium.  These lights produce light in an orange-red spectrum and are used for flowering plants.

They induce about 30% more flowers than halide.

 

High Intensity Discharge Lights are the most efficient lighting made for plant growth.  They are used for supplemental lighting in greenhouses during low-light or short light conditions as well as for indoor gardens.

There are two types used:

Metal Halide.  These produce light in a blue-white light spectrum and are good for vegetative growth, non-flowering plants, seedlings, and cuttings.

High Pressure Sodium.  These lights produce light in an orange-red spectrum and are used for flowering plants.

They induce about 30% more flowers than halide.

 

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