6 Best RV Cleaner For Pressure Washer in 2026: A Practical RV Guide

The Karcher Multi-Purpose Pressure Washer Detergent lists RVs among its surfaces and makes up to 40 gallons from one gallon. The label says it suits pressure washer, foam cannon or manual use.

It stretches farther than the Krud Kutter, which makes up to 20 gallons from one gallon. It is compatible with most consumer gas and electric pressure washers.

The Karcher Vehicle Wash and Wax is a pressure washer detergent that rinses away dirt without leaving residue. It makes up to 40 gallons from one gallon of concentrate.

It is the vehicle-specific Karcher, so it fits the wash step better than the multi-purpose version. It adds a wax element to the wash.

Pressure washer or foam cannon application is listed.

The Meguiar's M43 Marine and RV Boat Wash is a 64 oz pH balanced soap with lasting suds. It cleans fiberglass and gel coat without stripping wax.

It is the pick that explicitly names RVs and wax protection, and it is a soap for a bucket wash. It is also the lowest priced pick.

The Krud Kutter Multi-Purpose Pressure Washer Concentrate is a bleach-free commercial strength formula. It lists dirt, oil, grease, bird droppings and tree sap, and surfaces like vinyl, aluminum siding and masonry.

One gallon makes up to 20 gallons and covers up to 5,800 square feet. Apply, wait 3 to 5 minutes and rinse.

Heavy grease is where it earns its place.

It cleans siding, driveways, brick, wood and stucco and removes algae stains.

It is the biggest container of the group, and it is priced below the Simple Green. It is an all-in-one cleaner.

The big bottle suits a full season of washing.

The Simple Green Oxy Solve Total Outdoor Cleaner is a peroxide concentrate that is EPA Safer Choice Certified. It covers up to 6,400 square feet per bottle.

It is the most eco-oriented pick, and it lists wood, vinyl, concrete, brick and composite. It is the highest priced pick.