Ardrox NQ1 Solvent Developer Ardrox| 12527 Ardrox NQ1 Solvent Developer Print Ardrox| 12527 Ardrox NQ1 Solvent Developer Ready-to-use suspension of white developing particles in a fast drying solvent. It produces a white background coating for visible or fluorescent penetrant. Used in conjunction with Ardrox 970P25E Water Washable Fluorescent Penetrant and Ardrox 9PR50 Cleaner/Remover. Options: NQ1-4: NQ1, 16oz (473ml) aerosol cans (case of 12). NQ1-1: NQ1, 5gal (19L) pail. Request for information