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By Lorraine | 10 July 2020 | 0 Comments

Selection of lights and fish tanks used for coral cultivation

Since most of the energy source of corals is symbiotic zooxanthellae for photosynthesis, and the beautiful colors of corals also need to be stimulated by appropriate light, the choice of light is very important for coral tanks. 
In natural seas, the red light is more likely to decay, so the light of the coral reef is bluish, and the light in our artificial environment usually uses bluish light (light with a higher color temperature). Traditionally, yellow light (light with lower color temperature) is conducive to coral growth, and blue light is good for coral color development, but in theory and experiments have long proved that blue light is not only conducive to color development but also benefits growth.

senzeal reef light

 

There are mainly several kinds of lights:

1. T5 fluorescent tube, this lamp has the best color rendering, and coral growth is very rapid. The disadvantage is that the decay is faster, the lamp replacement cycle is the shortest, and the tube is usually replaced in one year, which is relatively expensive.
2. HQI halogen lamps, halogen lamps are also very mature lamps. The advantage is that the light source has sparkling wave light, the 400W bubble can reach a very strong light intensity, and the color rendering is also good, and if the electricity cost is not included, the cost of the lamp is the lowest among several lamps. The disadvantage is that it is relatively electricity-consuming and it is very hot. Pay attention to the temperature and do not touch the lamp bulb with your hands. 
3. The fastest developing LED lamp. The advantages of LED are that the point light source has wave light, long life, slow decay, low heat generation, and low power consumption. Generally, the power of LED is only half or less than that of halogen, and the LED is not like T5 or halogen. LEDs can generally use mobile phones to adjust the photoperiod curve very carefully, and even each individual color of the lamp bead curve can be adjusted independently. The disadvantage is high price, the price of LEDs is much higher than that of halogen and T5, and that the light color is still not very good. It may be related to the fact that LEDs are narrow-spectrum light sources.

senzeal reef tank

 

Choice of fish tank:

For novices, the cylinder of 100-300L water is a more suitable size. If you like a larger one, 300-600L water is also good. 600-1000L is a little bigger. 1000L belongs to a large cylinder, which novices should not buy. Otherwise, it will be very costly and laborious.

senzeal coral light

 

 The design principles of fish tanks are as follows:

1. The sea tank is usually wide and short (FOT, fish only tank, the tank that only keeps sea fish is usually higher).
So specifically, the height of the cylinder should not exceed 70cm anyway, it is best not to exceed 60cm, and the height of the cylinder must not exceed the width!
2. After selecting the main tank, you can select the bottom cabinet. Usually, the seawater tank will have its own bottom cabinet. The general length and width are the same as the main tank. The height cannot be too low, otherwise, the equipment is not easy to put, nor too high, otherwise it is not conducive to viewing and maintenance, usually 90cm-100cm is the best, because many colors of coral come from fluorescence, the color is different from different angles.
3.The design of the filtration system. Seawater tanks usually use bottom tank filtration or back filtration. Usually, the bottom filter is used more often, because the back filter volume is usually limited to a relatively small size, and the equipment that can be placed is small.

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