Tap Water (Soft)

・Irritant odors (chlorine, etc.) were reduced.
・Odd-tasting elements were removed, allowing the natural sweetness to become more prominent.
・Rough deposits were eliminated for a smoother texture and more pleasing aftertaste.
・Softer, smoother texture, with a lingering sweet aftertaste.
・All testers noticed a more balanced flavor profile overall.
・Smell, saltiness, bitterness, acridity, and metallic aftertaste were reduced. All other factors gained higher scores as a result.

Negative factors were reduced, bringing out the water's natural sweetness and aftertaste.

Mineral Water (Hard)

・Mild, sweet flavor
・Smoother, more mellow and thicker texture was reported.
・Remove mellow texture.
・Essential flavor of the water was increased.
・Saltiness, bitterness, and acridity were reduced. All other factors gained higher scores as a result.

While the difference was less pronounced, the filter helped improve mellowness and texture for a more balanced flavor profile.

Coffee

・The filter has the most dramatic effect on coffee compared to tap and mineral water.
・Improved the coffee's soft, mellow texture.
・Eliminated odd, off-flavor elements.
・Sweet and sour flavors became more pronounced.
・Enhanced balance between bitterness, sourness, and aroma.
・Using the paper filter produced a light, refreshing brew with a bitter flavor; cerapotta, however, also brought out sweeter flavor elements.
・A rich texture with good body.
・Less bitter and refreshing, but all other factors gained higher scores.

Produced a better balance between bitterness, sourness, and aroma, while bringing out other flavors for a richer, deeper taste overall.