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Bubble Disease
Goldfish affected by supersaturated gases might show symptoms such as; gasping at surface; bulging eyes; bubbles escaping from mouth or gills; tumors, which are actually air pockets or bubbles under the skin
- Supersaturated Gases
Tap water often comes out of the faucet saturated with gases, which are actually concentrated levels of oxygen that goldfish cannot tolerate. They can literally suffocate from these extreme amounts of oxygen. You might have noticed the minuscule bubbles in a freshly filled water glass. As an experiment, fill one glass with tap water from a faucet turned on full blast. Fill another glass with tap water with the faucet turned on at a slow stream; and you'll see the difference. Now, take the glass filled with the bubbles and using a whisk; stir it briskly for a few moments. You'll see that the bubbles have dissipated.
The goldfish in the photo below has an air pocket at the base of the dorsal fin; looking much like a tumor.
To eliminate supersaturated gases in tap water; pour water (holding it a high over the container) in freshwater tub; creating a strong action; agitating the water as much as possible before adding to fish tank.
Increase the surface action in your tank, aquarium or pond by adding a pond pump. The action of the pump; pulls the water along with the gases into the intake valve shooting a powerful jet of water to the top of the tank where the gas is released; making the water safe for goldfish.
Is your goldfish getting enough action?
Enclosed Aquariums
Carbon dioxide accumulates above the water's surface of tanks which are not exposed to fresh air, or those that have lids or covers. When this occurs, the carbon dioxide is then absorbed into the water greatly reducing oxygen levels.
Remove any solid cover from your goldfish tank; leave open or replace with a screen.
If after increasing your surface action and eliminating the supersaturated gases in your tank water; your goldfish shows signs of distress; it may benefit from a salt bath. Salt Bath
