There are many types of lightning protection equipments such as grounding units, surge suppressors, and conductors. If you have electronic equipments, definitely get surge protectors.

Provides protection during mains power surges and lightning strikes.

Provides protection during mains power surges and lightning strikes.

Printers do not require power surge protection is an example of a false statement about protecting against power surges. Lightning can cause a power surge.

If they are in a pond, then having trees that are taller away from the pond should help. If they are in an aquarium, you should use a surge protector