http://www.hulaboatcare.com/product/rad-clean-protect/
This is what I use. Made specifically for the foam floorings. Spray on, scrubs with a scrub brush and rinse off with a water hose. RC has a discount code for it too.
David
2017 Moomba Mojo Max Surf Edition, 2 Pair Wetsounds Rev10s powered by an SD2, 6 pair Wetsounds XS650M and Wetsounds XS12 powered by SD6 all controlled by a WS420. 2 Lumitec SeaBlaze X2 Spectrum underwater lights
SOLD***2008 Mobius LSV, Gravity III , Wake Plate, Z5, Exile SX65c's, Exile XM9s, Exile XI12D, Exile Javelin, Exile 30.2***SOLD