A-MAZ Water Stain Remover
Hard water stains, gone. No acids, no gloves, no mask.
A paste, not a spray. It deep-cleans hard water spots, calcium and soap scum from shower doors, glass, tile, porcelain and metal, then the sealant keeps them from coming back for months. Made in the USA.
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Made in the USA
Manufactured here, shipped from here.
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No bleach, acids or pumice
Nothing that etches glass or scratches porcelain.
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Safe in a closed bathroom
No gloves, no mask, no ventilation needed. Septic-safe.
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$9.99 flat-rate shipping
Free on orders over $199.
Our flagship product
Water Stain Remover
Non-acid cleaning paste that lifts hard water spots, calcium, soap scum, oxidation and tarnish from glass, metal and porcelain. Choose the 14 oz jar for a bathroom or the gallon for the whole house. Subscribe and save 10%, delivered every 3 months, cancel anytime.
- Safe on glass, tile & porcelain
- No harsh chemicals
- $9.99 flat-rate shipping
Step 1
Clean
Work the paste over the stained surface with a damp pad until the spots lift, then rinse. Because it is a paste, it penetrates the surface instead of sitting on top of it.
Step 2
Seal
Apply a few drops of Ultra Gloss Sealant with a cloth and rub until smooth. It fills the pores so water spots, soap scum and minerals cannot take hold, for 6 to 9 months on a shower door.
Step 3
Maintain
Reapply the sealant when spots begin to return. Keep a Gripper or Scrubber Pad on hand; both are made to apply the paste without scratching glass.
Safe on
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Shower doors & bath enclosures
Glass and frameless enclosures, the reason most people find us.
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Windows & windshields
Sprinkler spots, hard water film and road grime on clear glass.
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Tile, grout & porcelain
Bathroom and kitchen tile, sinks, toilets and tubs.
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Fiberglass
Tub and shower enclosures. Test a small area on older units.
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Brass, copper & plating
Lifts tarnish and oxidation from fixtures and cookware.
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Stainless steel
Apply with the grain of the surface.
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Stovetops, ovens & grills
Baked-on residue on glass and enamel cooktops.
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Pool tile
Calcium line at the waterline; use a pad on a low-speed buffer.
Shower Restoration Kit
Everything for one shower. $25.99, save $10.
Water Stain Remover 14 oz, Ultra Gloss Sealant and two Scrubber Pads, boxed together. Bought separately they run $35.96.
Questions we get every day
Will it work on clear shower glass?
Yes. It was designed for clear glass. With no pumice or harsh chemicals it removes spots, film and crusty build-up from shower doors and safety glass. A light-duty pad helps.
Is it really safe without gloves or a mask?
Yes. There is no bleach, chloride, acid or gritty pumice in the formula, so it can be used in a closed bathroom with no gloves or mask. It is septic-safe.
Will it remove etching?
No. The remover restores stained glass, but etching is permanent damage to the glass itself and cannot be reversed by any cleaner. If spots come back right after cleaning, seal the glass with Ultra Gloss Sealant so new minerals cannot take hold.
How long does the sealant last?
It depends on the surface, the minerals in your water and wear. As a rule: 6 to 9 months on a shower door, 6 months on a toilet bowl, about a year on windows. One drop covers 8 to 9 square inches.
Will it clean the rust ring in my toilet?
Usually. Lower the water level, apply a generous amount of paste over the ring, let it stand for a minute, then rub with a wet pumice stone dipped in the paste. Refill and flush. Seal right away to keep the ring from returning for two to three months.
Is it good for pool tile and fiberglass tubs?
Yes to both. For pool tile, use a light-duty pad on a low-speed drill buffer, keep the paste moist, then seal. For fiberglass tubs, test a small area first; some older tubs are worn past the point of cleaning.