Is it bad if there are bubbles all over the glass and gravel in a new fish tank?

Yes, It is not recommended to have bubbles all over the glass and gravel in a new fish tank. These bubbles may indicate the presence of excess oxygen or air, which can be harmful to the fish and disrupt the tank's ecosystem. Here's why:

1. Gas Supersaturation: When there are too many bubbles in the water, it creates a condition known as gas supersaturation. This occurs when the concentration of dissolved atmospheric gases in the water, particularly oxygen, exceeds the natural saturation levels.

2. Gas Bubble Disease in Fish: Fish can suffer from gas bubble disease as a result of gas supersaturation. Excess oxygen or other gases can get trapped in the fish's body tissues and form bubbles. These bubbles disrupt the fish's buoyancy and can affect its ability to swim and breathe.

3. Impact on Water Quality: Bubbles can carry small particles of debris and organic matter, potentially affecting water clarity and overall water quality.

4. Impaired Oxygen Exchange: Excessive bubbles on the glass and gravel may hinder efficient gas exchange between the water and the atmosphere, affecting the oxygen levels in the tank.

5. Aesthetics: Bubbles all over the tank may not be aesthetically pleasing and may obstruct the clear view of the aquarium.

To resolve this issue, several steps can be taken:

1. Allow the bubbles to dissipate: Over time, the bubbles may gradually disappear naturally. Ensure the tank has sufficient surface agitation to promote gas exchange.

2. Check the filter system: Confirm that the filter is functioning properly and there are no blockages or issues affecting its efficiency.

3. Water changes: Regular partial water changes can help remove some of the excess bubbles and refresh the water.

4. Reduce water flow: If the water flow from the filter or any other source is contributing to the formation of bubbles, try reducing the intensity of the flow.

It's important to address the issue of excessive bubbles in a new fish tank promptly to ensure the health and safety of your aquatic inhabitants.