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I have seen this happen when there is some naturally occurring iron in the stone used in the mix.

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17y ago

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Can cement rust?

no cement can not rust unless you add some type of iron or material that can oxidize into it


How do rust spots develop on paver tiles and do they weaken the tiles?

I don't know how the rust spots got there but they wont effect the strength of the tiles


How do you clean rust spots?

lemonjuice and salt.


Is rust a count noun or a non-count noun?

The noun rust is a non-count noun. Units of rust are worded as 'spots of rust' or 'patches of rust'


How can I effectively treat and prevent rust spots on my Monstera leaves?

To effectively treat and prevent rust spots on your Monstera leaves, you can gently wipe the affected areas with a damp cloth to remove the rust. Ensure the plant has good air circulation and avoid overwatering to prevent future rust spots. Additionally, you can use a fungicide specifically designed for houseplants to help control the spread of rust.


How can I prevent or remove rust spots on my stainless steel fridge?

To prevent rust spots on a stainless steel fridge, regularly clean and dry the surface, avoid using abrasive cleaners, and use a stainless steel cleaner. To remove rust spots, use a mixture of baking soda and water or a commercial stainless steel cleaner specifically designed to remove rust.


Removing rust and mold spots from lampshades?

Sandpaper will take care of the rust and Clorox for the mold. Good luck!


How do you remove cement from a metal doorframe?

To remove cement from a metal doorframe, start by using a plastic putty knife or scraper to gently chip away the cement without scratching the metal. If the cement is stubborn, you can soak it with water to soften it or use a mixture of vinegar and water for a more effective solution. For tougher spots, a wire brush or sandpaper can be used, but be careful to avoid damaging the frame. Finally, clean the area with water and dry it thoroughly to prevent rust.


Is Evapo-Rust safe to use on car paint with rust spots?

Evapo-Rust is safe to use on car paint with rust spots. It is a non-toxic and non-corrosive rust remover that won't harm the paint when used properly. Just make sure to follow the instructions on the product label and rinse the treated area thoroughly after use.


When you wash your wolfgang puck Knives in the dishwasher you get what looks like rust spots. What can you do about this?

The rust spots might be caused by rusting parts inside the dishwasher, such as under the 'wand' piece that rotates at the bottom of the dishwasher. Consult your manufacturer's Operating Manual FIRST then a hardware store manager for suggestions; different products can reduce rust---but not remove it completely. The part(s) will likely need replaced for the rust spots to stop on your knives.


How can I effectively remove rust spots on my stainless steel fridge?

To effectively remove rust spots on your stainless steel fridge, you can use a mixture of baking soda and water to create a paste. Apply the paste to the rust spots and gently scrub with a soft cloth or sponge. Rinse the area thoroughly and dry it with a clean towel. You can also use a commercial stainless steel cleaner specifically designed to remove rust.


How can I effectively treat and prevent rust spots on my philodendron plant?

To effectively treat and prevent rust spots on your philodendron plant, you can remove affected leaves, improve air circulation, avoid overhead watering, and apply a fungicide if necessary. Additionally, maintaining proper humidity levels and keeping the plant in a well-draining soil can help prevent rust spots from developing.