When a fish dies should you get another tank before adding any new fish?

No, you don't need to get a new tank before adding new fish when one of your fish dies. However, it is important to understand the circumstances surrounding the death of the fish and ensure that the tank is still suitable for new additions.

Here are some factors to consider:

1. Water Quality: Make sure to test the water parameters, such as pH, ammonia, nitrite, and nitrate levels, to ensure they are within the acceptable range for the species of fish you plan to add. If the water quality is poor, it could have contributed to the death of the previous fish and should be addressed before bringing in new ones.

2. Disease and Treatment: If the fish that died was sick or had any contagious disease, it is essential to identify and treat the root cause before introducing new fish. This may involve cleaning and disinfecting the tank, using medications or remedies if necessary, and implementing quarantine procedures.

3. Filter Media and Cycling: If the tank is well-established with a mature biological filter, you may not need to cycle the tank again. However, if you have experienced a significant loss of fish or made significant changes to the tank's setup, it is advisable to cycle the tank properly to ensure a healthy environment for new inhabitants.

4. Acclimatization: When adding new fish, always follow proper acclimatization procedures to minimize stress. This involves gradually introducing the fish to the new tank's water conditions, such as temperature and pH, to avoid sudden changes that could harm them.

In conclusion, while getting a new tank is not typically required, it is essential to address any underlying issues, maintain good water quality, and practice responsible acclimatization when adding new fish to your aquarium.