Use bamboo charcoal in purifying tap water. Bamboo is naturally an antibacterial and antifungal. It will transform tap water into a mineral water-like taste.
Ratio of charcoal to water is 20g:1Litre in weight is recommended. It will take about 1-2 days before the water is purified.
Water quality can also be improved when bamboo charcoal is used in cooking and boiling.

Remarks: Wash bamboo charcoal thoroughly with a brush or sponge. Never use detergent! Put bamboo charcoal into water and boil over low heat for about 10 minutes. Remove bamboo charcoal and allow it to dry without direct sunshine. It can be used for rice cooking after that. Remember to wash it again before you use it.

Bamboo charcoal releases natural minerals in water, keeping your flowers and fish healthy. Since the charcoal purifies water, it will save your time to take care of your aquarium. It also exterminates vermin.