of indoor koi carp 1. Increase the illumination: Koi carp is more ornamental, many breeders will keep them indoors, but if they do not receive sunlight for a long time, their body color will gradually become lighter. Therefore, when raising koi, it is necessary to provide them with sufficient light. If the fish tank can be moved, it is recommended to move the fish tank to a place with sunlight. If it is impossible to transfer, fish tank lights can be installed and turned on for 3-5 hours a day, which can also increase the body color of Koi.
2. Feeding hyperchromic feed: Koi themselves do not produce pigments, so they need to rely on acquired food to synthesize pigments. Breeders need to regularly feed them some colorful feed to help them synthesize pigments and make their body color more bright.
3. PH value control: PH value also has a great influence on the body color of koi. If the PH value is not suitable for the survival of koi, their body color will also change. Therefore, the PH value can be controlled between 7.0 and 7.2 when feeding at ordinary times.
color? The common color enhancement feed is the synthetic color enhancement feed, and the breeder can choose the special color enhancement feed for koi. You can also feed some earthworms, shrimps, carrots, shrimps and other foods to promote their synthesis of pigments.
