Costco's Kirkland Signature purified bottled water does have a few additives in addition to pure H2O, and this is whether or not fluoride is among them.

If you see someone with Kirkland Signature branded items, you know their ideal place to shop. Costco's signature brand is massively popular among proud members of the exclusive store, as it's ...

プロV1を超えた!?と言われた「カークランドシグネチャー」から待望の後継モデルが発売。 オリジナルの「カークランドシグネチャー」はボール ...

A measure of how effectively the filter removed flavor taints, along with the resulting odor taints, that CR added to plain water with minimal intrinsic flavor and odor (the "control" water).