What equipment do you need to raise sea fish ~? Water pump, egg, flow, lamp.This is the basic equipment.If you have a bad economy,I recommend: NAC for eggs.Odyssey T5 for lights.Sensen for the flow,If you're going to burn money,Or want to raise software or even hard bones.The bottom filter tank is a must.Calcium reverse, titration, nitrate remover, phosphate remover, Chiller, etc.Buy an expensive egg,Halogen lamps for lamps,RR or MP40 for streaming.Equipment as far as possible in place,Otherwise it will cost more money to upgrade the equipment later.I. Aquarium: the family box is a key point in the marine fish breeding equipment,It has many styles and sizes,However, there are two main types: ordinary glass and acrylic glass (acrylic ).When purchasing, try to select the aquarium with large water surface (length × width.Two, heater: heater is a marine fish feeding equipment to maintain a constant water temperature in the aquarium equipment,This is very important for the breeding of ornamental fish in seawater
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How can the domestic sewage of the hotel be filtered and purified again without sewage discharge? Domestic sewage is the wastewater discharged from residents' daily life,Mainly from residential buildings and public buildings,Such as housing, institutions, schools, hospitals, shops, public places and industrial enterprise toilets.The pollutants contained in domestic sewage are mainly organic matter (such as protein, carbohydrates, fat, urea, ammonia nitrogen, etc.) and a large number of pathogenic microorganisms (such as parasite eggs and intestinal infectious diseases, etc ).The organic matter existing in domestic sewage is extremely unstable,It is easy to corrupt and stink.Bacteria and agents breed in large quantities with organic matter in domestic sewage as nutrients,Can lead to the spread of infectious diseases.So,Domestic sewage must be treated before discharge. The most important domestic sewage is PH,Suspended matter,Chemical oxygen demand,Ammonia nitrogen,Total phosphorus,These values of residual c