The basis of good water treatment is the correctly adjusted pH of the water or aqueous effluent that is to be treated. That's why it is important to be able to correct the pH upwards or downwards and/or to adjust it before adding the various products.

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Product	Description
pH-Minus liquid	ca. 37% sulfuric acid, after DIN EN 899
pH-Minus concentrate	liquid, ca. 51% sulfuric acid, after DIN EN 899
pH-Minus granular	anorganic salt
pH-Plus liquid	ca. 18% lye, after DIN EN 896
pH-Plus concentrate	liquid, ca. 36% lye, after DIN EN 896
pH-Plus granular	sodium carbonate mixture
Ks-Plus liquid	sodium carbonate solution to set alkalinity
Caustic soda lye	ca. 50%, after DIN EN 896
Hydrochloric acid	ca. 32%, after DIN EN 896