Overfeeding your fish is probably one of the biggest mistakes made by new aquarium hobbyists, and yet it is not one just made by novices. It’s simple to overfeed when fish are always looking hungry and even acting happy when you visit the tank with food in hand. The problem is that feeding too often can kill your fish. Overfeeding also tends to upset the pH balance of the water. If you are still a little unsure as to how much food to give your fish, you may wish to read on to find out more about fish food.