If this is an old old drainage must be first. Do a peel, remove dirt, mud, is dropped, then put a lime into a pond at a rate of 1 kg per 10 square meters, or about 160 kilograms per Rai sprinkled across the pond, Tak Bo leave 2-3 days, and then release the water into a pond 30 centimetres, and to cause a natural food in the pond quickly. Should fill the manure into the pond, in the ratio of 400 kg, 1 Rai leave alone for 4-5 days to become pale, green indicates that there is a natural food ponds occur. Then add the desired water level and fish the next pet.If a pond dug new has to measure the acidity of the soil and then put lime to reduce the acidity of the soil polluted by Fisheries Department officers should be consulted. When I put the lime until the water is no acid and then adding water into the pond according to your needs.
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