Robinair Coolant Test Strips 50-Pack — Econo-Clean dip-and-read kit for freeze point & pH checks

Robinair 75134 Econo-Clean Coolant Test Strips are an easy dip-and-read kit of 50 strips that quickly reveal your coolant's freeze point and pH.

Keep your engine cooled and protected by spotting degraded or improperly mixed coolant before temperature extremes cause damage. These test strips from Robinair (a Bosch Automotive Service Solutions brand) are formulated to evaluate both propylene glycol and ethylene glycol engine coolants. Housed in a compact bottle with a color key on the label, the 50-strip pack is convenient for workshops, fleet technicians, and DIY vehicle owners who want fast, visual verification of coolant condition without specialized equipment.

How do these strips tell me the freeze point of my coolant?

Each strip has reactive pads that change color when dipped into coolant. The strip's color pattern corresponds to a freeze-point scale printed on the bottle, so you can match the colors and read the approximate low-temperature protection level at a glance.

• Dip a strip in coolant for a few seconds, then compare to the on-bottle color chart.
• Interprets common freeze-point ranges for automotive climates.
• Suits both propylene and ethylene glycol formulas found in vehicles.

Can these strips check coolant acidity or contamination?

Yes — the test strip also indicates coolant pH, so you can see if the fluid is too acidic or alkaline for safe service. While not a laboratory-grade analysis, the pH reading helps identify fluid breakdown or contamination that could accelerate corrosion or reduce protection.

• pH pad changes color to show neutral, acidic, or alkaline conditions.
• Gives a quick warning that a full fluid service or lab test may be needed.
• Useful for routine maintenance checks and pre-season inspections.

How simple is it to use these strips in a shop or at home?

Very simple — the procedure is designed for nontechnical users: remove a strip, dip it into the coolant, wait briefly, then compare colors to the bottle key. No batteries, instrumentation, or calibration are required, making these strips an economical option for frequent checks.

• Single-step dip-and-compare method takes under a minute.
• Compact bottle keeps all strips together for easy storage on a shelf or in a toolbox.
• 50 strips per bottle support multiple vehicles or repeated seasonal checks.

What vehicles and coolant types does this test cover?

The strips are formulated to work with common automotive coolant types, including both propylene glycol and ethylene glycol antifreeze. That broad compatibility makes them suitable for cars, light trucks, motorcycles, ATVs, snowmobiles and many other small-engine applications.

• Compatible with most OEM and aftermarket coolant formulations.
• Useful across personal vehicles, fleet units, and outdoor recreational machines.
• Not a substitute for manufacturer-specific service recommendations.

Who is this for: The Robinair 75134 Econo-Clean 50-pack is aimed at mechanics, fleet maintenance managers, hobbyists, and vehicle owners who need an affordable, fast way to monitor coolant freeze protection and pH. If you want quick visual checks without investing in electronic testers or lab services, these strips offer an accessible routine-screening tool to help determine when a full coolant service or further testing is warranted.