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2. Concrete degradation - Wikipedia

   en.wikipedia.org/wiki/Concrete_degradation

   It is the considerable forces internally created by the expansion of the iron corrosion products (about 6 – 7 times less dense than metallic iron, so 6 – 7 times more voluminous) that cause the cracks in the concrete matrix and destroy reinforced concrete. In the absence of iron (and without some harmful chemical degradation reactions also ...

3. Limescale - Wikipedia

   en.wikipedia.org/wiki/Limescale

   Descaling agents are commonly used to remove limescale. Prevention of fouling by scale build-up relies on the technologies of water softening or other water treatment. This column in the Bad Münstereifel church in Germany is made from the calcium carbonate deposits that built up in the Roman Eifel Aqueduct over several centuries of use.

4. This $7 Grout Cleaner Is All Over TikTok—Here’s Why - AOL

   www.aol.com/7-grout-cleaner-over-tiktok...

   The post This $7 Grout Cleaner Is All Over TikTok—Here’s Why appeared first on Reader's Digest. If your grout is gross and you hate spending hours scrubbing your bathroom tiles, Zep Grout ...

5. Floor drain - Wikipedia

   en.wikipedia.org/wiki/Floor_drain

   Floor drain system in bathroom, Korea. A floor drain is a plumbing fixture that is installed in the floor of a structure, mainly designed to remove any standing water near it. They are usually round, but can also be square or rectangular. They usually range from 2 to 12 inches (5.1 to 30.5 cm); most are 4 inches (10 cm) in diameter.

6. How to Clean Grout: 8 Ways to Get Your Tiles Sparkling ... - AOL

   www.aol.com/clean-grout-4-ways-tiles-010000278.html

   5. How to Clean grout using hydrogen peroxide. Like baking soda and white vinegar, hydrogen peroxide is another substance most people have in their cleaning arsenal.

7. Calthemite - Wikipedia

   en.wikipedia.org/wiki/Calthemite

   Degrading concrete has been the focus of many studies and the most obvious sign is calcium-rich leachate seeping from a concrete structure. [5] [6] [7]Calthemite stalactites can form on concrete structures and "artificial caves" lined with concrete (e.g. mines and tunnels) significantly faster than those in limestone, marble or dolomite caves.

8. Sulfate attack in concrete and mortar - Wikipedia

   en.wikipedia.org/wiki/Sulfate_attack_in_concrete...

   Solutions containing magnesium sulfate are generally more aggressive, for the same concentration. This is because magnesium also takes part in the reactions, replacing calcium in the solid phases with the formation of brucite (magnesium hydroxide) and magnesium silicate hydrates. The displaced calcium precipitates mainly as gypsum.

9. How to Clean Grout: 8 Ways to Get Your Tiles Sparkling ... - AOL

   www.aol.com/entertainment/clean-grout-4-ways...

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