Description
Sylvania GRO-LUX Aquarium fluorescent lamps provide the essential energy for use in indoor gardening applications. Light provides the energy that plants need to produce food and other substances required for growth and flowering. These lamps provide the types of light that are most beneficial for these essential processes.
GRO-LUX Aquarium lamps provide the right balance of red and blue wavelengths for low-energy plants such as house plants. High energy flowering plants require more energy in the red portion of the spectrum. Photosynthetically Active Radiation (PAR) varies according to the cultivar grown.
In addition to providing essential energy for growth and maintenance, GRO-LUX lamps bring out the vibrant natural colors of the foliage, flowers and vegetables enhancing their appearance.
Lamps shall provide the red and blue wavelengths of energy needed for photosynthesis and chlorophyll synthesis in plants and in general, provide the light needed for plants to flourish and look their best.
Fluorescent lamps for indoor growing
Provide Essential Energy For
Germination, propagation and growth
Photosynthesis
Chlorophyll synthesis
Enhancing vegetation
Choice of Lamps
GRO-LUX Aquarium for plants requiring indirect sunlight
Combination of GRO-LUX Aquarium where appropriate
Application Notes
The F15T8 and F20T12 lamps are preheat lamps and operate on the same ballasts and require the same starters as other preheat lamps of the same wattages. The lamps may also be operated on the appropriate trigger start ballasts
The F40T12 lamps are rapid start lamps and operate on the same ballasts as other F40 rapid start lamps
FO32 lamps operate on the same in start start or programmed rapid start ballasts as other F32T8 rapid start lamps
Low-energy plants require about 15 fluorescent lamp watts per square foot about 12-15″ above the plants
High-energy plants require at least 20 fluorescent lamp watts per square foot about 12-15″ above the plants
Germinating seeds or cuttings being rooted requires about 10 lamp watts per square foot with the lamps about 6-8″ above the plants
For photosynthesis, if using incandescent lamps, you would need 2.5 to 3 times the fluorescent wattage to provide PAR values equal to GRO-LUX Aquarium
For equal light, if using incandescent lamps, you would need 1.5 to 2 times the fluorescent wattage to provide light equal to the GRO-LUX Aquarium lamps
Specifications
Base: Medium Bi-Pin
Color Rendering Index: <30>
| Model | Wattage | Bulb | Average Life (hrs) | Initial Lumens | Color Temperature | Length | Base Face to Opposite Pin | Max. Base Face to Base Face | Max. Outside Diameter |
| 21657 | 15w | T8 | 7500 | 325 | 5500K | 18″ | 17.50″ | 17.22″ | 1.10″ |
| 22029 | 20w | T12 | 9000 | 480 | 7000K | 24″ | 23.50″ | 23.22″ | 1.59″ |
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