Water washable fluorescent penetrants can either be removed with rinsing water alone or by using a solvent with water to remove the penetrant. These are Method A and Method C of removing excess penetrant. Please browse our categories to find the best product for you. If you have any questions, please call us at 1-847-577-3980 or send an email to firstname.lastname@example.org. Our knowledgeable staff is there to help.