Vehicle Pre‑Soak is a specialized Hotsy pressure washer detergent designed as a pre‑wash/soak cleaner for vehicles and heavy equipment. It’s used before your main wash soap to help loosen tough soils so that subsequent cleaning is much easier.
🚗 What Vehicle Pre‑Soak Is
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A clear blue liquid detergent with a citrus scent and low foaming action — formulated to soak into dirt without creating excess suds.
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High pH (~12.8) means it’s strong enough to break down stubborn materials like bugs, tar, grease and oil.
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Designed to be applied before the main wash, giving soils time to penetrate and loosen so you don’t have to scrub as hard.
🧪 Key Specs
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pH: ~12.8 (strong alkaline)
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Color: Clear blue
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Scent: Citrus
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Dilution: Typically 1:60 to 1:40 (varies by soil level)
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Foaming: Low — good for pre‑soak so it clings but doesn’t over‑foam.
🧽 Typical Uses
Vehicle Pre‑Soak is ideal for:
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Cars, trucks, buses, RVs and trailers
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Heavy soils: bugs, tar, oil, grease, road film, exhaust residue, diesel smoke and salts
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Construction or agricultural equipment
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Fleet washing (before main detergent)
🧴 How to Use
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Spray or foam onto the vehicle or surface prior to regular detergent.
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Let dwell a few minutes to penetrate soils (don’t let dry).
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Follow up with your main pressure‑washer detergent (like a fleet wash or vehicle wash soap), then rinse.
** 5 Gal bucket is subject to additional shipping charge **