Traditional Culture Encyclopedia - Traditional festivals - Fish pump or air pump?
Fish pump or air pump?
A water pump is a machine that transports or pressurizes liquid. It transfers the mechanical energy or other external energy of the prime mover to the liquid, which increases the energy of the liquid. Mainly used for conveying liquids, including water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal. It can also transport liquids, gas mixtures and liquids containing suspended solids.
Air pumps are mainly divided into electric air pumps, manual air pumps and pedal air pumps. Electric air pump. The air pump driven by electricity continuously compresses air through electricity to generate air pressure. Mainly used for air extraction, sewage treatment, electroplating blowing, biogas digester aeration, tunnel ventilation and so on.
Extended data:
Precautions for fish farming: the water quality should be no problem, the temperature and light should be appropriate, the food should be guaranteed in good quality and quantity, the operation should be gentle, the drugs should be used with caution, and the toxic substances should be kept away (pay attention to the lampblack, pesticides and mosquito-repellent incense at home).
1, not too many fish? There are 1 liter of water (10×10×10 cm) with filter to raise 1 cm fish. If it is too much, it is easy to get sick and die. If the fish tank is at least 30 cm above, it is easy to maintain water quality, or there is no filtering equipment, please calculate the fish according to the water surface area. Tropical fish need 30 square centimeters of water per centimeter of body length (excluding caudal fin), and goldfish need 60 square centimeters.
2, open the cylinder to lift water? Disinfect with strong brine, rinse with clear water and fill with water. The water temperature in the cylinder should be between 28 and 30 degrees, and the water should be kept for 7 days.
Put a few fish with strong vitality in the tank for 30 days or add nitrifying bacteria daily for 7 days after entering the tank, and pay attention to avoid light) or immerse a peeled raw shrimp in the water of the filter tank during hydroponics until the shrimp is completely melted). If there is filtration in the process of opening the cylinder, the fish can be released after 20 days, preferably more than 30 days. Besides, you can't let the sun shine directly on the fish tank.
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