For tougher stains use Orca Tube Deep Cleaner - Step 2 in conjunction with Step 1. Works great on neoprene and Hypalon boats.
For regular boat cleaning Orca's Step 1 preliminary wash works great on neoprene and Hypalon fabrics.For tougher stains follow up with Orca Tube Deep Cleaner - Step 2.You should always use step 1 before step 2.Always treat the dry cleaned area with 303 Protectant to protect your boat from the harmful effects of UV rays. Directions:
Wet the spot to treat with clear water
Apply Tube Deep Cleaner and work on small surface area. Let it sit for 1 hour. Rinse with clear water. Repeat if necessary. After the stains disappear rinse with water and let tube dry.