Chlorine Dioxide Water Treatment Tablets

Biox Aqua 20 uses Chlorine Dioxide (ClO2) to kill a wide range of bacteria, viruses and cysts. Perfect for treating river, tap and stored water.

Destroys the bugs that cause Cholera, E-coli, Giardiasis, Hepatitis A and Travellers’ Diarrhoea.

Formulation designed for PT5 Drinking Water.

Biox Aqua 20

1: Strain Water

Remove dirt or debris from the water by straining through a filter, t-shirt or fine-weave fabric.

Biox Aqua 20 - Strain Water

2: Add Tablet To Water

Add 1 tablet to every 20 litres of water.

Biox Aqua 20 - Add Tablet

3: Wait 4 Hours

Wait for 4 hours before drinking.

Biox Aqua 20 - Leave For 4 Hours


Adipic acid, sodium chlorite, trcoclosene sodium. In-Situ Biocidal Active Ingredient Chlorine Dioxide.

DANGER: May intensify fire; oxidiser. Harmful in contact with skin. Causes severe skin burns and eye damage. May cause respiratory irritation. Toxic to aquatic organisms with long lasting effects.


Keep out of reach of children. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Take any precaution to avoid mixing with combustibles/other chemicals. If available, wear protective gloves / protective clothing / eye protection / face protection. Wash hands after use.

Call a POISON CENTRE or doctor/physician if you feel unwell.

IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

IF ON SKIN (or hair): Remove all contaminated clothing immediately. Rinse skin with water / shower.

IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Contact with acid liberates very toxic gas.

Use biocides safely. Always read the label and product information before use.

Made in Scotland.