How to properly perform a fish tank water change?

To properly perform a fish tank water change, follow these steps:

1. Turn off all electrical equipment in the tank.
2. Use a siphon to remove about 25-50 of the water from the tank.
3. Use a gravel vacuum to clean the substrate while siphoning out the water.
4. Treat the new water with a water conditioner to remove chlorine and chloramine.
5. Slowly add the treated water back into the tank.
6. Turn the equipment back on.
7. Monitor the water parameters to ensure the health of your fish.