Dialysis system with online dialysis fluid generation

A dialysis system comprising:

• a dialysis machine including at least one pump positioned and arranged to pump a dialysis fluid;
• and
• a dialysis fluid source located separate from and in fluid communication with the dialysis fluid machine, the dialysis fluid source including
• a purified water line for carrying purified water,
• a source of a first concentrate,
• a source of a second concentrate, and
• at least one filter configured to remove at least one of particles or endotoxin,
• wherein the dialysis fluid is prepared for delivery from the dialysis fluid source to the dialysis machine by mixing the purified water with the first concentrate and the second concentrate.

A dialysis system comprising:

• a dialysis machine including at least one pump positioned and arranged to pump a dialysis fluid;
• and
• a dialysis fluid source located separate from and in fluid communication with the dialysis fluid machine, the dialysis fluid source including
• a purified water line for carrying purified water,
• a source of a first concentrate,
• a source of a second concentrate, and
• a controller configured to precisely proportion flows of the purified water, the first concentrate and the second concentrate to mix the dialysis fluid.