Typical foam wash product dilution rates are obsolete when comparing them with Meguiars Hyper-Wash. Using innovative technologies, Meguiars have created a product that produces rich, stable foam at an unbelievable dilution rate of just 400:1 (water:product). Meguiars Hyperwash has a biodegradable formula that safely and effectively lifts dirt and grime off all exterior surfaces. Rich stable foam provides excellent performance. Hyper concentrated. Biodegradable. 1 US Gallon / 3.