A degassing system for use in dialysis, comprising:a degassing vessel having a fluid inlet, and a fluid outlet；a degas flow restrictor fluidly connected to the inlet of the degassing vessel；a fluid pump fluidly connected to the degassing vessel and located downstream of the degassing vessel, for pulling fluid into the degassing vessel through the fluid inlet and out of the degassing vessel through the fluid outlet；a vacuum pump attached to the degassing vessel for removing gas from the degassing vessel； and.a degas sprayer located inside the degassing vessel at the fluid inlet of the degassing vessel such that fluid entering the degassing vessel through the fluid inlet passes through the degas sprayer.
