Healthy fish: At night, it is beneficial to have an air pump for the aquarium, as the plants will not produce oxygen without light. In small-scale aquariums, the pump provides the necessary water circulation. In aquariums with dense vegetation, the air pump supplies the aquarium with oxygen at night, as the large amount of plants can dangerously reduce the oxygen content. In case of diseases, the air pump increases the oxygen content of the water, which is necessary when using many medications. Easy installation: connect the flexible hose to the air pump. Cut off the air hose and install the check valve. Cut the remaining hose to the desired length, connect one end to the check valve and the other to the diffuser. Install the pump on a dry wall near the aquarium if possible (hanging hook included).

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