Mechanical glass is strong glass that is dishwasher safe.
Avoid severe thermal shocks, such as placing it in a hot oven directly after refrigeration.

For crystalline:
Hand washing is recommended
Wash in warm soapy water.
Use a soft sponge.
Rinse glasses with water at the same temperature.
Drain and then dry carefully using a soft cloth. Make sure you hold the glass by its bowl, rather than by its foot as this could break the stem.

Using the dishwasher:
Crystal is fragile and sensitive to both thermal and mechanical shocks. If the glassware is lightly stained, choose a short dishwasher program at a moderate temperature, with a small amount of washing liquid.
You are advised to clean crystal separately from items in metal, silver, copper and aluminium, to avoid a yellow film forming.

Glass is sensitive to hard water. If your water is hard or chalky, a white film may form on the surface of the glass. This can easily be removed using warm water mixed with vinegar or lemon juice.

If your water is soft or acidic (pH <6), it is more harmful to the surface of glass, which turns slightly blue (iridisation) and then opaque (corrosion). To prevent this, you are advised to hand wash glasses so they do not soak in water.



To remove grease or finger traces: rub the traces with a little vinegar.

To protect gold detail:  do not rub or put in the dishwasher.

To clean inside a vase: if it is difficult to clean with a bottle brush, pour in some rock salt, together with a little water mixed with white vinegar, and shake vigorously to remove the stains from the sides of the vase.

To clean misty glasses, with a white film after washing in the dishwasher: reduce the amount of salt. Clean the glasses with a little hot water mixed with vinegar, or by rubbing them with rinsing liquid.

To recover shine: there are several simple, non-corrosive methods using potatoes, coffee grounds and white vinegar. For crystal vases, fill the vase with potato peelings and add water. Leave it to soak for a 4 days and then rinse the vase. Rub the outside of the glass with a slice of raw potato and rinse. Put coffee grounds inside, leave them for at least two hours and then rinse with water mixed with vinegar. Dry with a soft dishcloth to recover the shine.

To remove chalk deposits from the base and walls. Fill with an equal mixture of hot water and white vinegar. Leave overnight.
Or pour salted lemon juice into the carafe. Shake well and leave the mixture overnight. 

If glasses are stuck together: pour cold water or ice cubes into the top glass, and then immerse the lower glass in hot water.

To clean the base of bottles or carafes: pour some vinegar into the bottle and add a handful of rice. Shake vigorously. Empty and rinse with warm water.


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