Starbrite Sea Safe Non-Toxic Anti-Freeze, -100F

Starbrite Sea Safe Non-Toxic Anti-Freeze shields marine engines and drinking water systems from winter freeze-ups, even in extreme cold. It’s designed for storage on boats, RVs, vacation homes, or pools, delivering high-performance protection with a non-toxic formula.

• Extreme cold protection: guards engines and water systems down to -100°F (-73°C) during winter storage.
• Non-toxic and safe: formulated with virgin USP-grade ingredients, alcohol-free to reduce evaporation, and safe for copper, brass, aluminum, solder, seals, and all types of plastic.
• Corrosion protection: advanced inhibitors defend metal engine components and seals, helping extend system life.
• Visible, dye-marked formula: three-time blue-green coloring provides quick blow-through visibility for reliable servicing.
• Ready-to-use or dilutable: use undiluted or follow label-dilution guidance to suit your storage needs.
• Versatile use: ideal for boats, RVs, vacation homes, and pools—protects both engines and drinking water systems during storage.
• Biodegradable and non-toxic: designed to be safer for the environment while delivering robust protection.
• Storage stability: formulated to stay effective in storage and resist evaporation, ensuring reliable protection over time.

With its -100°F burst protection and environmentally mindful formulation, Starbrite Sea Safe helps you winterize confidently—protecting fuel and cooling systems, preserving the integrity of multiple materials, and maintaining safe drinking water. The visible dye aids quick servicing, so you can winterize faster and with less guesswork, whether you’re on the water, at the marina, or tucked away in storage.