Ms Ng also worked on reducing one hassle associated with owning an aquarium – changing the water. The water in UrbanSeas’ aquariums needs to be changed only once every six months. Aquarium owners usually have to change the water in their tanks weekly because fish waste produces toxic ammonia which can kill the fish.
But UrbanSeas’ aquatic plants have special bacteria on them that break down the ammonia into nitrates. These then act as fertilisers for the plants. “It’s a solution that isn’t just environmentally friendly but also friendly on the pocket. Changing water every week adds so much to PUB bills and is even worse when water resources here are limited,” Ms Ng said. The science is not new, but she has been working on improving the mix of bacteria since the beginning of UrbanSeas. “In the early stages, I would just get a lot of fish and put them in some tanks with these bacteria, and see how clear the water stays,” she explained.
“It’s important to keep improving your product.” The bespoke designs and the bacteria do not come cheap, she admits. One tank, which she calls “the cube” and is designed as a coffee table, costs about $3,000. It takes about a month from the time of the customer’s order to the finished product. Ms Ng justifies the cost based on how she tailors each aquarium to her customers’ needs. She customises designs based on input from each customer and her visits to the home or office. She pays much attention to the fish and aquatic plants, selecting the most aesthetically pleasing combinations.
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