Objective: How to Make an Easy terrarium

Which of the following solutions is more sound in terms of naive physics reasoning?

Choose your answer from:
1). You can make a terrarium with a glass vase, activated carbon, potting soil, some aquarium gravel and a few succulents. First wash out the jar, carefully rinsing any soap as it may be harmful to succulents..
2). You can make a terrarium with a glass vase, activated carbon, potting soil, some aquarium gravel and a few succulents. First wash out the jar carefully rinsing any soap as it may be beneficial to succulents..
1).