Two lives: a flower pot-aquarium
A great solution to save space and greendecor of the interior! This amazing thing is a flower pot - an aquarium. You plant a houseplant in the top of the pot and plant a goldfish in the bottom. What can they offer each other? 
Waste! Yes, the remains of food for the fish turn into nutrients for the plant, and the water we regularly water the flower is filtered naturally and gets to the fish purified and filled with oxygen. This is a completely natural and harmonious system of life for two living beings. Due to the cycle of substances in the system, the water in thethe aquarium does not stagnate. It can also reduce the use of special agents, such as nitrifying bacteria, and other chemical compounds, to maintain a neutral PH of water. The soil remains moist longer, the periodicity of irrigation is prolonged for several days. In addition, such a flower pot aquarium looks very stylish and elegant in any interior, even in the office on the desktop. A source
