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How to Decrease Humidity in an Aquarium

An aquarium is a fun and exciting way to raise all manner of different creatures. With a diverse selection of animals, you have a whole range of environments can you try to simulate. Simulating the animal's particular environment is very important; not only will the habitat be more authentic and attractive looking, the animal will better thrive. For animals that come from a warmer and dryer environment, it is very important that the amount of humidity inside their tank isn't too high. If the humidity level in the tank is higher than is recommended for that animal, steps should be taken to reduce the moisture in the tank.

Instructions

- 1
  Increase airflow inside the tank. One of the keys to reducing humidity inside an aquarium, cage or tank is to have proper airflow. Moisture will collect in stagnant air very quickly. Using a wire mesh top will allow air to flow out easier with little obstruction. For taller tanks, you may wish to drill ventilation holes in the lower portions of the tank and cover them with mesh to promote airflow. Adding a fan to the top of a tank is another way to increase healthy air circulation.
- 2
  Remove moisture producing plants from the tank. Plants that require frequent watering will produce more moisture than those that don't. Look for plants that are found in the animal's natural environment as a means of controlling proper humidity.
- 3
  Add a dehumidifier in the room near the aquarium. The average humidity in the house or room can affect the humidity in the aquarium. Lowering the surrounding room humidity can help control the moisture in the tank.
- 4
  Install a heat lamp to provide a basking spot for the animal. Most heat lamps will dry the air inside a tank and adding one is a great way to provide warmth and lower humidity. Just be sure that the temperature stays tolerable for the animal and that it has a place to escape from the heat if it needs to cool down.

Animals & Science