What can i do so the black spots don't happen?

First of all, You don't have to worry. It's a normal. In time, darkening or stains may occur in the color of all copper products. This is a normal situation seen in products made of real and pure solid copper. There are many methods to clean this stains and spot. Lemon ad Salt method is an easy and common way to clean of tarnishing spots or stains. We recommend to our all customer this method, which is the most natural method, without using any chemicals. In this method; add a pinch of salt over half a lemon. Gently rub the copper cup with salted lemon. In a few minutes, you will see that the copper cup is shining again, almost like the first day. Dry with a cotton or paper towel after all stains are removed from the copper pot. Another method; you can clean it scrubbing with ketchup easily. If you have more question, you can send photo with us via messages. We can help you as soon as possible. Best Regards; DEDE Copper Customer Care Team

Why the black spots are getting more everyday? Is this normal? What should i do

First of all, You don't have to worry. It's a normal. In time, darkening or stains may occur in the color of all copper products. This is a normal situation seen in products made of real and pure solid copper. There are many methods to clean this stains and spot. Lemon ad Salt method is an easy and common way to clean of tarnishing spots or stains. We recommend to our all customer this method, which is the most natural method, without using any chemicals. In this method; add a pinch of salt over half a lemon. Gently rub the copper cup with salted lemon. In a few minutes, you will see that the copper cup is shining again, almost like the first day. Dry with a cotton or paper towel after all stains are removed from the copper pot. Another method; you can clean it scrubbing with ketchup easily. If you have more question, you can send photo with us via messages. We can help you as soon as possible. Best Regards; DEDE Copper Customer Care Team

There are black spot in the bottom of my cup after one night using it. Is it safe to use

Yes, it is safe. You don't have to worry. In time, darkening or stains may occur in the color of all copper products. This is a normal situation seen in products made of real and pure solid copper. There are many methods to clean this stains and spot. Lemon ad Salt method is an easy and common way to clean of tarnishing spots or stains. We recommend to our all customer this method, which is the most natural method, without using any chemicals. In this method; add a pinch of salt over half a lemon. Gently rub the copper cup with salted lemon. In a few minutes, you will see that the copper cup is shining again, almost like the first day. Dry with a cotton or paper towel after all stains are removed from the copper pot. If you have more question, you can send photo with us via messages. We can help you as soon as possible. Best Regards; DEDE Copper Customer Care Team

ASIN	B098TQNKG1
Age Range Description	Adult
Best Sellers Rank	#177,862 in Kitchen ( See Top 100 in Kitchen ) #2,940 in Tumblers & Water Glasses
Brand	DEDE Copper
Brand Name	DEDE Copper
Capacity	20 Fluid Ounces
Color	Engraved
Colour	Engraved
Customer Package Type	FFP
Customer Reviews	4.6 out of 5 stars 117 Reviews
Finish Types	Glossy
Included Components	Instructions
Item Dimensions W x H	11.3W x 10.3H centimeters
Item Weight	270 Grams
Item height	4.05 inches
Manufacturer	DEDE Copper
Material	Copper
Material Features	Recyclable
Material Type	Copper
Material Type Free	BPA Free
Number of Items	1
Occasion	Home
Other Special Features of the Product	Easy To Use
Pattern	Solid
Product Care Instructions	Hand Wash Only
Product Style	Modern
Recommended Uses For Product	Home
Reusability	Reusable
Shape	Round
Special features	Easy To Use
Specific Uses For Product	Cold Drinks
Style	Modern
Subject Character	no character
Theme	Solid
UPC	689530954993
Unit Count	1.0 Count

DEDE Copper - CC Series (20 oz) - Handcrafted Super Heavy Weight Drinking Cups or Serving Cold Beverages and Cocktail Mugs, Handmade Unlined Uncoated Pure Solid Copper Tumblers (Engraved)

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