Giant Microbes Original Kidney Giant Microbes £12.99 Default Title Add to Cart Want to know when this becomes available? Pop your email address below and we will let you know. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. The kidneys main job is filtering blood to remove toxins, waste and excess water. Nearly 2,000 liters of blood passes though the kidneys each day!
