Sterile water for Injectons 20ml Ampoule 20ml of of sterile water for injection is provided free with this pack. Dose: As directed by the veterinerian. Shake bottle to loosen the granules. Slowly add sterile water for injection upto the mark. Shake well again. Adjust the volume upto the mark by adding more boiled water if necessary. After mixing, the suspension should be stored in a refrigerator at 2-8 C and used within 6 days of preparation.