K2 DERUSTO TOTAL GEL is a professional rust remover with a gel consistency. It does not run off vertical surfaces. It quickly and effectively removes rust from all types of metals. After dilution with water, it is also suitable for removing residues from tiles and sanitary fittings. For elements with rust gaps, we recommend using another excellent rust remover from the K2 DERUSTO+ series. It removes rust from the entire element in this way.