Experts: Water quality in Hanoi’s lakes improvesThe quality of water in many lakes in Hanoi has been improved considerably, leading experts said at a meeting on March 6 to review the one-year using of Redoxy-3C, a water purification product made in Germany to the order of the capital city to tackle pollution in lakes. Hanoi Sewage and Drainage Company workers apply Redoxy-3C in Nghia Tan lakeAccording to the Hanoi Sewage and Drainage Company, Redoxy-3C has been used since September 2016 in 86 lakes inside the city and 44 others in the outskirts. As a result, pollution level in the lakes reduced significantly without harming aquatic creatures, while the oxygen ratio in water becomes higher. According to the Hanoi Sewage and Drainage Company, the using of the product is among its short-term solution. In the long term, it is necessary to raise public awareness of protecting lakes and water in the city.