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This research was performed to expose the need for independent testing of densifier products and to highlight manufacturers that offer transparent access to key product facts.
We advise all consumers to request more information regarding dilution schedules, solids content and lithium content.
Concrete densifier products were not rated for performance.
Products compared: Liqui-Hard, Xtreme Hard, Lithium Densifier Formula One MP, Concrete Denisifer HD-7936, Concrete Densifier 7938 and SealHard.