ROCK ALUM [Aluminium Sulphate]
-Colorless odourless crystals
- A flocculating agent in the purification of drinking water and waste water treatment plants.
- Causes impurities to coagulate which are removed as the particulate settles at the bottom of the container or more easily filtered.
- Also very effective as a molluscicide killing slugs.
- Destroys bacteria, yeast, fungi, spores and viruses.
- To make stock solution :( DO NOT DRINK THIS) Add 7gm to 8 litres of water.
- To disinfect drinking water: Add 1ml of the stock solution to 100 parts water to be treated. Let the mixture stand for atleast 30 minutes before drinking.