How do you kill the wrigglers in drinking water of tank?

* Boiling: Boiling the water will kill any wrigglers or other microorganisms present.

* Chlorination: Adding chlorine to the water will also kill wrigglers and other microorganisms.

* Filtration: Filtering the water through a fine mesh filter can remove wrigglers and other particles.

* Ultraviolet (UV) light: Exposing the water to UV light can kill wrigglers and other microorganisms.

* Chemical treatment: Adding a chemical such as malathion to the water can kill wrigglers and other insects.

It is important to note that some of these methods may not be suitable for all situations, and it is important to consult with a water treatment expert to determine the best course of action.