Precision Anti-Freeze Engine Coolant Hydrometer Tester – Rapid & Reliable Fluid Analysis

Accurate Freeze Point Detection
– High-precision glass tube with etched scales ensures exact readings for antifreeze/coolant mixtures, preventing engine damage in extreme temperatures.
Durable Industrial-Grade Materials
– Borosilicate glass resists thermal shock and chemical corrosion; reinforced rubber bulb for long-lasting suction and leak-proof operation.
Instant Results, No Batteries Needed
– Simply draw coolant into the chamber for immediate freeze/boil point analysis—ideal for quick garage checks or fleet maintenance.
Multi-Vehicle Compatibility
– Tests ethylene glycol and propylene glycol-based coolants in cars, trucks, RVs, and heavy machinery.
Ergonomic Safety Design
– Slim, non-slip grip with integrated temperature strip for safe handling in tight engine bays or cold climates.
Cost-Effective Bulk Supply
– Direct-from-factory pricing ensures unbeatable value for auto shops, distributors, and wholesalers stocking essential diagnostic tools.