Alkaline compounds in the water such as bicarbonates (baking soda is one type), carbonates, and hydroxides remove H+ ions and lower the acidity of the water (which means increased pH).
(baking soda; is; one type) (Alkaline compounds in the water such as bicarbonates (baking soda is one type), carbonates, and hydroxides; remove; H+ ions)
baking soda Alkaline compounds in the water such as bicarbonates (baking soda is one type), carbonates, and hydroxides
is remove
one type
H+ ions