Solar water can be used to raise fish, but sometimes the temperature of solar water is extremely high, sometimes reaching over 95 degrees. Sudden changes in temperature are more likely to cause fish diseases. Death by cold, so try. do not use it to raise fish.
In normal water changes for goldfish, especially in hot summers, you only need to insist every day on removing feces and dirt at the bottom of the fish pond ( aquarium) with the old water, and use a hose to gently suck 1/10-1/ 5. Remove the dust and floating feces from the water surface,
then slowly inject new water insulator along the pool wall (tank) to keep the water clean. This water changing method is not easy to harm the fish body, is simple and safe, and is especially suitable for fish.Cultivators in home aquariums or small ponds.
Detailed information:
Bait placement
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Adhere to the three principles of bait feeding, qualitative: high protein, fresh and clean; quantitative: pay attention to when the goldfish in the pond eat each time, it is generally appropriate to finish eating within 20-30 minutes; timing: morning in summer Around seven o'clock, around three o'clock in the afternoon, in winter, because the fish swim less, we can feed once around noon. ?
It should be noted that every time you feed, you should feed enough at a time, and you should add duckweed or a small amount of pellets appropriately according to the fish appetite in the yard. agriculture, it is mainly The synthetic feed in pellets used is a very good auxiliary feedliary, and it is also the best substitute when natural food is rare.
Baidu Encyclopedia - Pond fish farming