How to create Oxygen Pump for Aquarium Without Using Electricity

Those who love taking care of fish, or want to take care of fish in aquarium. But you do not have oxygen, here's a way to make oxygen that does not use electricity.
How to make oxygen in a home without electricity. In this tutorial I will teach you how to make an oxygen pump using a plastic bottle. It is for those who care for fish who want to use oxygen that is not used by the electricity.

Tools you needs to create a Aquarium without electricity.

2 Bottle

Plastic Hose

glue stick

Water