Daylight lamps in aquaria

AquaristikDaylight lamps in aquariums – Decisive for purchase and use

The lighting in an aquarium is of great importance for both plants and fish. It is responsible for the formation of chlorophyll and enables the absorption of carbon dioxide (CO2), which the plants then release again in the form of oxygen. Thus, the main tasks of the daylight lamp are to initiate the process of photosynthesis through its light and to emphasize the beauty of the aquarium.

Professional assessment

Daylight lamps are an important component and should therefore not be missing in any aquarium. The benefit is that the high colour temperature stimulates the plants to photosynthesise and release oxygen into the environment. The daylight lamp is suitable for plant vegetation as well as for fish, crabs and snails. However, too little light intensity or the wrong light spectrum can lead to the extinction of plants and animals.

The great advantage of daylight lamps is that the stimulation of photosynthesis constantly creates and promotes the nutrients in the aquarium. The lighting has a much lower power consumption and the colour temperature emitted is ideal for plant and animal

Important facts about purchase and use

When buying a daylight lamp, you should pay particular attention to the required wattage. However, the luminous intensity of the lamp is also of great importance, as energy consumption should be kept as low as possible.

Overview of illuminants

LED lamps, halogen lamps, HQI burners and fluorescent tubes are particularly suitable as illuminants for aquarium lighting. In most cases, tightly closing cover lamps are chosen for aquarium lighting. They contain fluorescent tubes, which due to their dimensions are ideally suited for the illumination of conventional aquarium tanks. The most frequently used fluorescent tubes are the T5 and T8 models, as the socket and the ballast are usually already integrated in the aquarium cover.
However, the fluorescent tubes have a disadvantage. Their light does not shine bundled downwards, as required for an aquarium, but in all directions. To solve this problem, a lamp reflector is needed to guide the light downwards and ensure evenly distributed illumination.

Light intensity and illumination duration

Another important aspect when buying a daylight lamp is the flora and fauna housed in the aquarium. The light intensity and lighting duration should be adapted to the plants and fish to maintain and support the growth and survival of the predominant species.

For example, strong light plants require sufficient and bright lighting to grow. In contrast, too much light can be harmful to low-light plants and fish and even lead to the death of the species.

Well-coordinated light and dark phases are also crucial. Day-active fish depend on a dark phase to recover, while night-active species use the light phases for recovery and only become active in the dark.

In general, the daily lighting period should be extended to a period of 10 to 12 hours, followed by a dark phase.

Conclusion

In summary, the daylight lamp is one of the most important parts of the aquarium and offers several advantages over other lighting systems. It stimulates photosynthesis, has a high colour temperature and low energy consumption. Through its light and the release of nutrients it ensures the survival of the flora and fauna in the aquarium.

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