Deterfug is an acidic based detergent, specifically used for the removal of grout, glues and cement residues from delicate surfaces that require a deep thorough cleaning without damaging the surface, aspect or joints. Highly recommended for the removal stubborn patinas from hard surfaces this produce is versatile, fast, heavy duty and yet delicate.

Deterfug is suitable for use on honed, brushed and aged natural stones as well as slate, quartz agglomerates, enamelled ceramic, honed and structured terracotta tiles and polished granite.

Dilution: Dilute one part Deterfug to ten parts water for light cleaning or for deep cleaning use equal parts of Deterfug and water.  On stubborn residues Deterfug can be used undiluted.

Application:  Apply the solution directly to the surface and allow a few minutes before rubbing in using a scrubbing brush or nylon pad until all residue has dissolved.  Add water and remove all residue as many times as necessary. DO NOT USE ON ACID SENSITIVE MATERIALS

Coverage per litre: 10-30m²  (Subject to surface material and texture).

The technical advice is given in good faith but without warranty.  All products should be tested for their suitability prior to application/use.  In no event shall Granite Tool Supplies (Wholesale) Ltd be liable for incidental or consequential damages. 
ALWAYS TEST FIRST.