Thank you for choosing Thames & Kosmos. We appreciate your interest in our CHEM kits.
You may be wondering why your Litmus Solution bottle is empty. I'm sorry for any confusion. The bottle is meant to be empty, as it is for you to pour your Litmus Solution into after you've prepared it, making it from the vial of Litmus Powder and water. This experiment is detailed on page 14 of the CHEM C1000 manual (Chapter 3, experiment 2).
If you have any additional questions about our CHEM kits or any of our other products, please do not hesitate in sending an email to email@example.com.
Thank you again for choosing Thames & Kosmos and for your interest in our Chemistry sets. We hope you will continue to enjoy our products for many years to come.
The Thames & Kosmos Technical Support Team