BY-28 Manual Siphoning Tool is a hand-operated aquarium and fish pond maintenance siphon designed for removing dirty water, waste sediment, fish excrement, uneaten feed and debris from the bottom of fish tanks, small ponds and aquaculture containers without requiring electricity. Simple to operate by manual pumping action, the BY-28 gives Nigerian fish farmers and aquarium enthusiasts an affordable, reliable and always-ready pond cleaning solution that works anywhere regardless of power availability.