Chemical
04 · Stain & Protect
Glass Polish & Restore Kit
A cerium polish and pad for light hazing and water etching — not deep scratches.
$24
Free shipping over $60
30-day returns
Ships worldwide
04 · Stain & Protect
Hard-Water Stain Remover
An acidic gel that dissolves limescale and hard-water spotting on glass.
$17USD · one-time purchase
Consumer-grade chemicalStain & Protect
Use safely
- Wear gloves and ventilate
- NEVER mix with chlorine/bleach cleaners — toxic gas
- Do not use on marble or sensitive surfaces
- Keep away from children and pets
- Opened chemical — not returnable
What's inside
- 1× hard-water stain remover gel
- Application note
The details
Mineral spotting from sprinklers and rain is limescale, and a mild household acid dissolves it where a normal cleaner just smears. Apply, dwell briefly, then rinse fully. Acidic — read the surface bans and never mix it with chlorine-based cleaners.
Safe on
- Glass
- Ceramic tile
- Chrome (rinse promptly)
Avoid on
- Marble & natural stone
- Coated / tinted glass
- Polished metal
Material / type: Mild acidic gel, consumer-grade (non-industrial)
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04 · Stain & Protect
Rain-Repellent Glass Coating
A wipe-on coating that beads rain for clearer glass in wet weather.
$19
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04 · Stain & Protect
Anti-Fog Interior Spray
An interior spray that keeps glass and mirrors from misting over.
$14
04 · Stain & Protect
Safety Glass Scraper + 10 Blades
A guarded scraper and ten blades for paint flecks and stickers on glass.
$15