The invention provides an apparatus and method for storing and transporting peritoneal dialysate in dry or lyophilized form, and for forming a deliverable peritoneal dialysis solution therefrom. The server may store a plurality of informational files associated with particular global positioning system coordinates. The tilt angle of the first wall with respect to the inner surface of the circulation channel is larger than the tilt angle of the second wall with respect to the inner surface of the circulation channel at the downstream side. The referral processing engine transforms the referral information to render a received referrals value, wherein the transformation comprises at least summing a plurality of referral values corresponding to referrals received by the medical service provider entity.