Water Strerilizing Tablets, 100 Pcs

Product description:

Aqua Clean – Use only in fresh water. Add one tablet to 20 liters of water, mix well and leave for at least two hours.
For the preservation of both potable water and non-potable service water. Enough for up to 2000 liters of water. Odorless and tasteless, silver-based. Keeps water clean for up to 6 months.