Pettit ECO Hybrid Reactive Technology HRT Antifouling Paint Aerosol Pettit ECO HRT 1800 Aerosol is designed as an antifouling coating that protects against algae, slime, barnacles and other marine fouling organisms. Pettit ECO HRTs smooth durable paint surface is designed to wear away over time thereby eliminating paint build up as well as the need for sanding. Pettit ECO HRT Copper-Free Bottom Paint is safe for use on any aluminum-hulled boat. This copper-free bottom paint provides excellent an