What Is the STAINIUM Process?
At ONYX, most stained linen is not permanently damaged. Using our engineered STAINIUM process — a proprietary, bleach-free recovery system — we safely restore up to 89% of linens that hotels and vacation rentals would normally discard.
How the Process Works?
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Multi-stage chemical engineering designed specifically for hospitality stains
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Oxidation phase with controlled pH and temperature
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Precision enzymatic treatment for organic and protein-based stains
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Special formulation for oils, cosmetics, makeup, sunscreen, and yellowing
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Final neutralization and fiber protection to extend linen lifespan
Key Benefits of STAINIUM
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Recover 70–89% of stained items
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Reduces linen replacement costs by 30–60%
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No bleach — safe for high-thread-count hotel linen
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Extends linen lifespan and keeps inventory in circulation
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Ideal for hotels & vacation rentals with high turnover
How Much Can STAINIUM Save Your Property?
Hotels and vacation rental companies spend thousands every year replacing stained linen. With a 70–89% recovery rate, our STAINIUM™ process helps properties reduce linen replacement costs by 30–60%, while extending the lifespan of existing inventory.
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Cuts linen purchasing frequency
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Reduces inventory loss from staining
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Keeps more sheets, towels, pillowcases, and duvets in circulation
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Helps maintain consistent linen levels during high occupancy periods
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Extends linen lifespan, lowering operational expenses

⭐ Real Case Study — 81.35% Recovery
In this real hotel work-order, ONYX recovered 81.35% of stained linen using the STAINIUM™ process — our engineered, multi-stage, bleach-free recovery system.
This recovery prevented the hotel from replacing items worth $7,973.24, while paying only $2,244.40 for the specialized stain service.
Common Stains Recovered
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Body oils & sunscreen
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Makeup & cosmetics
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Protein-based stains
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Yellowing and oxidation
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Mineral residues
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Organic stains
Financial Impact
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Replacement cost avoided: $7,973.24
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Cost of STAINIUM™ service: $2,244.40
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Total savings achieved: $5,728.84
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Reduction in replacement costs: 72%
STAINIUM transforms stained linens into recovered assets — not losses.

