International Trilux 33 is a premium antifouling for use on all substrates but specifically suited for aluminium craft, propellers, outboards and outdrives.  Trilux 33 offers a tin-free formulation with added Biolux® for extra antifouling protection, such strength makes it suitable for boats in all waters. Trilux 33 Antifoul has a slow polishing rate at high speed, preventing polish-through on fast active craft. Features For all substrates including aluminium Suitable Outboards & Outdrives Excellent for Bootopping Suitable for high speed craft  Slow polishing, avoids seasonal paint build up Bright colours, including bright white Effective fouling protection for up to 18 months  Coverage and usage Average Coverage:  8.3 m²/L Recommended coats : 2-3 Substrates: Aluminium, GRP/FRP, Lead, Steel, Wood, Carbon Fibre, Cast Iron  Application method: Brush, Roller Suitable Waters Types Sea Water Fresh Water Brackish Water Primers BARE GRP Gelshield 200 for osmosis protection, or Primocon.  STEEL/IRON Prime with Interprotect or Primocon.  LEAD Prime with Interprotect or Primocon. WOOD Prime with Interprotect or Primocon.  ALUMINIUM/ALLOY Prime with Interprotect or Primocon Thinners / Cleaners Click here for more International Thinners No.3