Adequate 500 ml bottle.
Deep Cleanser: Fill the cap with approximately 3 cl (1 oz) of cleanser and add to 3,5 litre (1 gallon) of water in a bathtub. Soak mat 5-10 minutes in the solution, periodically moving mat around. Rinse mat thoroughly with fresh water, squeeze out excess water and hang to dry for 24 hours. Depending upon the frequency of use, do a deep cleanse 1-2 times per year.
Periodic deep cleaning is recommended to remove all buildup and extend the life of your GRP mat. Depending upon the frequency of use, do a deep cleanse 1 to 2 times per year.