Introducció
This manual provides essential information for the proper installation, operation, and maintenance of your SYLVANIA T8 Gro-Lux Fluorescent Tube. SYLVANIA's GRO-LUX Aquarium fluorescent lamps are designed to provide the essential energy for use in indoor gardening applications. They deliver the right balance of red and blue wavelengths, which are most beneficial for chlorophyll synthesis, plant growth, and flowering processes. Photosynthetically Active Radiation (PAR) varies according to the specific plant cultivar being grown.
Informació de seguretat
Please read and understand all safety instructions before installing or operating the fluorescent tube. Failure to do so may result in electric shock, fire, or other injuries.
- Always disconnect power to the fixture before installing, removing, or cleaning the lamp.
- Assegureu-vos que lamp is cool before handling.
- Do not use in wet locations unless the fixture is specifically rated for such use.
- Manipuleu els components de vidre amb cura per evitar que es trenquin.
- Dispose of fluorescent lamps according to local regulations, as they may contain small amounts of mercury.
- Aquesta lamp is non-dimmable. Do not use with dimmer switches.
Configuració i instal·lació
The SYLVANIA T8 Gro-Lux Fluorescent Tube is designed for easy installation into compatible T8 fluorescent fixtures with a G12 Bi-Pin base.
- Desconnexió d'alimentació: Before beginning, ensure the power supply to the light fixture is completely turned off at the circuit breaker or wall switch.
- Treure la bombeta antiga (si escau): If replacing an existing bulb, carefully twist the old fluorescent tube 90 degrees to align the pins with the slots in the lamp holders, then gently pull it out.
- Inseriu una bombeta nova: Align the two pins on each end of the SYLVANIA T8 Gro-Lux tube with the slots in the lamp holders of your fixture. Gently push the tube into the lamp suports fins que els passadors estiguin completament assentats.
- Bombeta segura: Once the pins are seated, rotate the tube 90 degrees until it locks securely into place. The tube should feel firm and not wobble.
- Restaura l'alimentació: Turn the power back on to the fixture. The lamp should illuminate immediately.

Figure 1: SYLVANIA T8 Gro-Lux Fluorescent Tube, ready for installation.

Figure 2: Detail of the G12 Bi-Pin base for proper fixture alignment.
Instruccions de funcionament
The SYLVANIA T8 Gro-Lux Fluorescent Tube is specifically designed to support indoor gardening by providing the optimal light spectrum for plant photosynthesis and growth.
- Espectre de llum: Aquesta lamp emits a balanced spectrum of red and blue wavelengths, which are crucial for chlorophyll synthesis and enhancing vegetation.
- Photosynthetically Active Radiation (PAR): The light output is optimized for PAR, providing the necessary energy for all stages of indoor gardening, including germination, propagation, and mature plant growth.
- Ús: Simply turn on your compatible fluorescent fixture to activate the Gro-Lux lamp. The duration of light exposure should be adjusted based on the specific needs of your plants.

Figure 3: The Gro-Lux tube provides essential light for plant development.

Figure 4: Ideal for promoting growth and maintaining vegetation in various indoor setups.
Manteniment
The SYLVANIA T8 Gro-Lux Fluorescent Tube requires minimal maintenance to ensure optimal performance and longevity.
- Neteja: Periodically, with the power off and the lamp cool, gently wipe the tube with a soft, dry cloth to remove any dust or debris that may accumulate and reduce light output. Do not use liquid cleaners directly on the bulb.
- Lamp Vida: This fluorescent tube has an average rated life of 7,500 hours. Actual lifespan may vary depending on usage conditions, such as frequency of switching and ambient temperature.
- Substitució: Substituïu la lamp when it begins to flicker excessively, fails to light, or when its light output significantly diminishes.
Resolució de problemes
If you experience issues with your SYLVANIA T8 Gro-Lux Fluorescent Tube, refer to the following common troubleshooting steps:
| Problema | Causa possible | Solució |
|---|---|---|
| Lamp no s'il·lumina. | No power to the fixture, incorrect installation, faulty lamp, or faulty ballast/fixture. |
|
| Lamp flickers or cycles on and off. | Envelliment lamp, incorrect lamp type for fixture, or faulty ballast. |
|
| Reducció de la producció de llum. | Dust accumulation, end of lamp life, or incorrect lamp per a la seva aplicació. |
|
Especificacions
Key technical specifications for the SYLVANIA T8 Gro-Lux Fluorescent Tube:
| Especificació | Valor |
|---|---|
| Número de model | 21657 |
| Tipus de llum | Fluorescent |
| Mida de la forma del bulb | T8 |
| Wattage | 15 watts |
| Base del bulb | G12 Bi-Pin |
| Brillantor | 325 lúmens |
| Temperatura de color | 5500 Kelvin |
| Voltage | 120 Volts |
| Vida Mitjana | 7500 hores |
| Longitud | 18 polzades |
| Dimensions del producte (aprox.) | 1.16"W x 3"H (packaging) |
| Material | Vidre |
| Ús interior/exterior | Interior |

Figure 5: The SYLVANIA Gro-Lux tube is designed for optimal performance in indoor plant cultivation environments.
Informació de la garantia
This SYLVANIA T8 Gro-Lux Fluorescent Tube comes with a 2 any de garantia from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For full warranty terms and conditions, please refer to the official SYLVANIA weblloc o contacteu amb el servei d'atenció al client.
Atenció al client
For technical assistance, product inquiries, or warranty claims, please contact SYLVANIA customer support through their official website or the contact information provided on the product packaging. When contacting support, please have your product model number (21657) and purchase date available.
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