Select from options: Continue writing the next sentence.

How to get rid of snails in an aquarium
Avoid overfeeding.
Overfeeding can led to a snail population boom. Try underfeeding your aquarium inhabitants (only feeding enough for the fish to eat at each feeding) to see if that solves snail overpopulation.

Choose your answer from:
I. That's because snails will be given too much food. Think about giving your fish more water for optimal control over their size when they eat..
II. Use a chemical to kill the snails. The most common, fish-safe chemical used to kill snails is copper sulfate..
III. You might try tank companions, such as fish guard pets, for example. You can stay up late feeding your visitors if you find that snail overpopulation is a problem..
IV. It would not be enough to protect your aquarium, especially if any turtles look occupied. If you need to feed your tank, consider feeding it mayonnaise or raw tuna..
Answer:
II.