A broad spectrum of possibilities
Thunderstorms regularly darken the skies in the tropical habitats which are home to most aquarium plants, It is thus advisable to give plants a break and switch the lighting off for between two and four hours around midday. Your plants will get by on the daylight from the window during this time. As a positive side effect, this reduced level of lighting also makes life difficult for algae.
The lighting does not serve merely to provide a clearer view into an aquarium. The right light is crucial to photosynthesis – and thus to plant growth. But how to provide ideal light conditions for the plants without encouraging algae growth unnecessarily? The answer lies in the spectrum of light colours:
In order to flourish, aquarium plants need plenty of light from the red colour range, with only a minimal blue component and minimal or no UV radiation. Algae, on the other hand, thrive above all in blue light and a high UV component. Algae have lived in water throughout their entire evolutionary process, during which they have been exposed for the most part to strong, direct sunlight and ultra-violet light. Most aquarium plants, however, originated from tropical forests. They have thus adapted to the light conditions in the shade of dense tree populations. UV light and light in the blue range is filtered by natural means here.
Service life:Dennerle attaches great importance to ensuring an above-average service life for its products, as a means of preserving financial and ecological resources.
Trocal fluorescent tubes have a useful life of 10,000 to 15,000 lighting hours, corresponding to a service life of up to 3 years. This means there is no need to replace them after 12 months.