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Except Mooncakes, why Chinese eat grapefruit during the Mid-Autumn Festival?
#Mooncakes #midautumnday#moonfestivals Chinesetraditionalday
Owlpump shares with you The Principle and The Most Common Usage of assorted effective Filtering Methods for Fish tanks & Fish ponds -Part 1
Reading notes: 5 minutes for reading; Owlpump shares many details with articles serialized about Filter System. Tropical fish and aquatic plants can grow rapidly and grow robustly only when they grow in a suitable living environment. When we usually raise tropical fish and plant aquatic plants, the water quality in the aquarium is an uncertain and dynamic environment. What is raised and planted in the aquarium are living objects, and they secrete and excrete dirt all the time. The harmful substances in water quality are increasing at any time, and to maintain the stability of water quality, it is...
Owlpump tells you How an Oxygen pump Air Compressor working and How to choose a right fish tank oxygen pump
How an Oxygen pump Air Compressor working - 3 minutes for reading The principle of the oxygen pump is to press air into the water so that the oxygen in the air can fully contact the water body, so the oxygen can be integrated into the water, thereby increasing the dissolved oxygen content of the water body to ensure the growth of oxygen-consuming organisms. Because of their convenient and efficient use and low cost, oxygen pumps air pumps are widely used in modern fish farming. The oxygen necessary for fish to survive is obtained by absorbing dissolved oxygen in the water...