It is not in the cistern above and there is always more the next time it is cleaned. Because drain fly larvae live in and feed on organic debris, they often are found in the slimy film around drains and traps in the bathroom. They are drawn to moist areas frequented by humans.
These larvae live for eight to 24 days before entering the pupal stage for ... Mini oops Toilet bowl Slimy u displayu 60g. Condition: New product.