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Description
Starbrite Sea Safe Premium Marine Antifreeze -200 Concentrate (Gallon)
Engineered for extreme conditions, Starbrite Sea Safe Marine Antifreeze -200 protects marine engines, freshwater, and sanitation systems down to -200°F (-129°C). Made with non-toxic, USP-grade ingredients and zero alcohol, it maintains a stable mix with less evaporation risk. The blue dye makes flow easy to track during winterization, while corrosion inhibitors guard against damage to aluminum, copper, brass, and solder. Safe for rubber seals and hoses, this antifreeze can be used full-strength or diluted as needed, just follow the label. Perfect for seasonal prep, it offers reliable freeze protection without compromising safety or performance.
With Starbrite antifreeze you’ll get burst protection to -200°F (-129°C) and freeze protection within a range of -98°F to -103°F (-72°C to -75°C). Most PG refractometers and/or hydrometers will not provide freeze point readings below -70°F.
Features:
- Ready-to-use, or may be diluted
- Safe for all engines including aluminum.
- Non-toxic virgin propylene glycol formula.
- Provides copper burst protection down to -200F.
- Contains corrosion inhibitors to protect all metal engine components and seals.
- The most effective and safest way to protect all marine engines from freeze-up damage during winter storage.
- Dyed in bright color for easy blow-through visibility
AntiFreeze Dilution Chart:
| Undiluted | 2 Pts Solution / 1 Pt Water | |||||
| Item | Copper Burst | PVC Burst | Freeze Protection | Copper Burst | PVC Burst | Freeze Protection |
| Wintertech | -50°F | -10°F | +17F | n/a | n/a | n/a |
| -50 | -50°F | -10°F | +12°F | n/a | n/a | n/a |
| -100 | -100°F | -80°F | -60°F | -72°F | -50°F | -6°F |
| -200 | -200°F | -150°F | -100°F | -120°F | -90°F | -80°F |
| 1 Pt Solution / 1 Pt Water | 1 Pt Solution / 2 Pts Water | |||||
| Item | Copper Burst | PVC Burst | Freeze Protection | Copper Burst | PVC Burst | Freeze Protection |
| Wintertech | n/a | n/a | n/a | n/a | n/a | n/a |
| -50 | n/a | n/a | n/a | n/a | n/a | n/a |
| -100 | -54°F | -20°F | +9°F | n/a | n/a | n/a |
| -200 | -86°F | -66°F | -28°F | -62°F | -30°F | +5°F |
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