![Empty Plastic Tube Vapor Tubes Child Resistant 2 Grams Preroll Dry Herb Pre Rolls Packwoods Pre Roll Joint Packaging With Sticker From Vapor365, $1.33 | DHgate.Com Empty Plastic Tube Vapor Tubes Child Resistant 2 Grams Preroll Dry Herb Pre Rolls Packwoods Pre Roll Joint Packaging With Sticker From Vapor365, $1.33 | DHgate.Com](https://www.dhresource.com/0x0/f2/albu/g13/M01/60/5F/rBVak183sBqAZf9BAAXwWxbEbkw304.jpg)
Empty Plastic Tube Vapor Tubes Child Resistant 2 Grams Preroll Dry Herb Pre Rolls Packwoods Pre Roll Joint Packaging With Sticker From Vapor365, $1.33 | DHgate.Com
![Take about 2 g barium hydroxide in a test tube. Add 1 g of ammonium chloride and mix with the help of a glass rod. Touch the bottom of the test tube Take about 2 g barium hydroxide in a test tube. Add 1 g of ammonium chloride and mix with the help of a glass rod. Touch the bottom of the test tube](https://dwes9vv9u0550.cloudfront.net/images/13375538/b49441f5-09a7-4f18-a333-8f0f7ca4b4e3.jpg)
Take about 2 g barium hydroxide in a test tube. Add 1 g of ammonium chloride and mix with the help of a glass rod. Touch the bottom of the test tube
![Take about 2 g barium hydroxide in a test tube. Add 1 g of ammonium chloride and mix with the help of a glass rod. Touch the bottom of the test tube Take about 2 g barium hydroxide in a test tube. Add 1 g of ammonium chloride and mix with the help of a glass rod. Touch the bottom of the test tube](https://dwes9vv9u0550.cloudfront.net/images/12576806/7480927f-f08c-46ae-817d-a4e1a5e78bcc.jpg)