Systems and methods for peritoneal dialysis having point of use dialysis fluid preparation including testing thereof

A peritoneal dialysis system comprising:

• a disposable set including
• a water port,
• an inlet port,
• a water line in fluid communication with the water port,
• a sample line, and
• a container positioned and arranged to hold a dialysis fluid prepared by mixing water and at least one concentrate;
• at least one source of the at least one concentrate in fluid communication with the inlet port;
• a water purifier configured to purify water and feed the purified water towards the water port;
• a sensor for detecting a property of fluid flowing in the sample line;
• and
• a control unit configured to
• cause an amount of dialysis fluid mixed in the disposable set to be delivered into the sample line, and
• cause water purified by the water purifier to be delivered along the water line, into the disposable set and out the sample line to thereby push the amount of dialysis fluid to the sensor.

A peritoneal dialysis system comprising:

• a disposable set including
• a water port,
• an inlet port,
• a water line in fluid communication with the water port, and
• a container positioned and arranged to hold a dialysis fluid prepared by mixing water and at least one concentrate;
• at least one source of the at least one concentrate in fluid communication with the inlet port;
• a water purifier configured to purify water and feed the purified water towards the water port;
• a sensor for detecting a property of fluid flowing past the sensor;
• and
• a control unit configured to
• cause an amount of dialysis fluid mixed in the disposable set to be delivered into the sample line,
• cause water purified by the water purifier to be pumped along the water line, into the disposable set and out the sample line to thereby push the amount of dialysis fluid past the sensor, and
• use an estimating algorithm and the property sensed by the sensor for the dialysis fluid to determine if the dialysis fluid is suitable for treatment.