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

Starbrite Sea Safe Non-Toxic Anti-Freeze, -100F delivers premium protection for marine engines and drinking water systems even in the harshest winter conditions. This non-toxic antifreeze is engineered to withstand temperatures down to -100°F (-73°C), guarding your fuel and cooling systems while ensuring safe, reliable performance when stored on boats, RVs, vacation homes, or pools.

• Extreme cold protection: shields engines and water systems from freeze-ups down to -100°F (-73°C) for dependable winter storage.
• Non-toxic and safe: formulated with virgin USP-grade ingredients, alcohol-free to reduce evaporation and maintain concentration during storage, and safe for copper, brass, aluminum, solder, seals, and all types of plastic.
• Corrosion protection: advanced inhibitors guard all metal engine components and seals, helping to extend the life of your system.
• Visibility and reliability: three-time dyed blue-green coloring provides unrivaled blow-through visibility for quick and confident servicing.
• Ready-to-use or dilutable: follow the label for proper dilution ratios to suit your storage needs.
• Versatile use: ideal for boats, RVs, vacation homes, and pools, protecting both engines and drinking water systems from freeze-ups during storage.
• Biodegradable and non-toxic: designed to be safer for the environment while delivering robust protection.
• Clear temperature guidance: burst protection can extend to -100°F (-73°C), with freeze protection typically in the range of -58°F to -63°F (-50°C to -52°C); note that PVC pipe burst points in most drinking water systems occur around -10°F (-23°C).

Protect your most valuable systems this winter with Starbrite Sea Safe Non-Toxic Antifreeze. It’s formulated to stay effective in storage, resist evaporation, and provide reliable, visible protection for peace of mind on the water and off.