This treatment for below waterline components comprises an proprietry formulated etch primer (Yellow) with a pure silicone (Clear) topcoat. When applied correctly and allowed to dry it provided a slippery surface that marine growth finds difficult to bond to. 
Benefits include:

• Increased engine revs
• Improved fuel efficiency
• Increased boat speed
• Prevents barnacle and marine growth
• Contains NO toxic tin or copper
• Long services life
• Can be used on - props, rudders, brackets, shafts, trim tabs, scoops/strainers, sail drives and other underwater metal surfaces requiring fouling protection