The best thing you can do to keep you walls looking new is to keep them dry. Wipe them down after the last shower is taken with a soft towel or a squeegee. Clean the shower walls and the bathtub weekly with a non-abrasive cleaner.

Care and Cleaning of Whirlpools and Baths

Wipe out bath/whirlpool after each use with soft cloth or squeegee. Use a mild detergent. Do not use abrasive cleaners. Avoid using aerosol products on the bath surface. Products to Consider: Fantastik, Lysol Bathroom Cleaner, Tilex Soap Scum Remover. If your acrylic becomes damaged send us an email and we have a local repair guy we can send you his information.
 

Flushing a Whirlpool System

Flush your whirlpool twice a month or more depending on usage. Adjust the jets fully clockwise so there is no air induction. Fill the bath with warm water to a level 2” above the highest jets, or leave water in the bath after using. Add 2 teaspoons of a low-foaming, powder automatic dishwasher detergent and 20 ounces of household bleach (5% to 6% sodium hypochlorite) to the water. Run the whirlpool for 5 to 10 minutes. Then shut off the whirlpool and drain the water. If desired, rinse bath surfaces with water. Clean bath surfaces as needed with recommended cleaners. One final tip, use extreme caution with drain cleaners. They can damage a whirlpools acrylic surface and circulatory system.
 
Care and cleaning of Whirlpools and baths, Flushing a whirlpool system this information is recommended by Kohler taken from their literature. Success with cleaners and procedures is dependent upon such factors as the hardness and temperature of the water, using exact quantities of ingredients, changes in cleaning formulas and the condition of the product being cleaned. Since there are variations within these factors, Kohler and Sparklin’ Johns cannot guarantee the effectiveness of the formulas mentioned.