Most all-purpose cleaners in a shop are either strong enough to strip wax and risk your trim, or weak enough to be safe on sensitive surfaces but ineffective on real-world road grime, grease, and organic soiling. A citrus-based APC built around d-limonene finds a practical middle ground — effective enough to cut through bug splatter, brake fluid, grease, and engine contamination at full strength, but dilutable to a gentle multi-surface cleaner for carpet, vinyl, and painted surfaces. One chemistry, calibrated by concentration to the task at hand.
Citra Clean 32 oz from Polishing Systems Inc is the mid-volume working size for detail shop carts, service bays, and mobile detailing operations that use a citrus APC daily. The 32 oz format is large enough to be a meaningful supply quantity but manageable as a spray or pour bottle in daily use — no pumping from a pail or decanting required.
What Citra Clean Is
Citra Clean is a citrus-based all-purpose cleaner and degreaser formulated around natural d-limonene and surfactants. D-limonene is a naturally derived terpene solvent extracted from citrus rinds — effective at dissolving petroleum-based grease, adhesive residue, bug splatter, and road film without the harsh alkaline chemistry that can strip sensitive surfaces. The formula is concentrated and designed to be diluted for different tasks: full strength for heavy engine degreasing, 10:1 for wheel cleaning, 30:1 or higher for interior surface wiping and general detailing.
Key Features and Why They Matter
- D-limonene citrus chemistry — natural terpene solvent that dissolves grease and organic contamination effectively without the harshness of strong caustic degreasers. Works on a wider range of surfaces safely when properly diluted.
- Highly dilutable concentrate — one product handles multiple cleaning tasks at different dilution rates. Reduces the number of separate cleaning products needed in a shop.
- Biodegradable formula — citrus-based chemistry breaks down more readily in the environment than petroleum solvent cleaners. Relevant for shops managing wash water runoff.
- Pleasant citrus fragrance — leaves a clean scent rather than the harsh chemical smell of solvent degreasers. Preferred for interior cleaning tasks.
What Citra Clean Is NOT For
At full or high concentrations, Citra Clean can affect uncoated leather, raw aluminum (the citrus solvent can dull unprotected aluminum over time with repeated full-strength exposure), and some rubber compounds. Always dilute appropriately for the surface being cleaned, and test in an inconspicuous area on unfamiliar materials. Do not use on hot surfaces or in direct sun without rinsing promptly.
Who Uses This
Detail shop technicians who keep Citra Clean on their cart for multi-task cleaning throughout the day. Mobile detailers who go through APC regularly and want a step up from a 16 oz bottle. Enthusiasts who maintain two or more vehicles and want a meaningful supply of citrus cleaner on hand. For higher-volume use, see the 1-gallon and 5-gallon sizes.
How to Use
- Dilute to the appropriate ratio for your task.
- For interior surfaces: 30:1 to 50:1. For wheels/tires: 10:1 to 15:1. For heavy degreasing: 5:1 to 10:1.
- Apply, dwell 30-60 seconds, agitate, rinse or wipe clean.
Why Buy Citra Clean vs. a Multi-Surface Spray
Retail multi-surface sprays are pre-diluted and priced accordingly — you are paying for water. Citra Clean is a concentrated product that you dilute yourself, delivering far more cleaning power per dollar and the ability to calibrate concentration for each surface and contamination type.
Frequently Asked Questions
How many full-vehicle interior details does 32 oz of Citra Clean cover?
At a 30:1 dilution, 32 oz of concentrate yields approximately 1 gallon of ready-to-use interior cleaner — enough for 3-5 thorough full-vehicle interior cleaning sessions on average-size vehicles. More diluted ratios for light touch-up work stretch coverage further.
Is this the same chemistry as the 16 oz and 1-gallon sizes?
Yes — same Citra Clean citrus APC concentrate, different container size. The 32 oz is the mid-volume format between the 16 oz portable size and the 1-gallon shop size.
Can I use Citra Clean on boat vinyl and marine upholstery?
Yes — diluted Citra Clean at 30:1 or higher is appropriate for marine vinyl seating, canvas, and deck surfaces. The citrus surfactant system is effective on saltwater grime and organic staining common in marine environments.
Does Citra Clean leave a residue after drying?
Properly diluted and wiped or rinsed, Citra Clean leaves no meaningful residue on most surfaces. On interior plastic and vinyl, buff with a clean microfiber after cleaning to remove any surfactant film and restore the clean surface appearance.






