The Chemsynth Tank was added with the Night Of The Chemicals update on 2 March 2017. 10 tanks must be placed in a line to the right of a Chemsynth Processor in order for it to be used. 10 of these items come in the Chemsynth Pack in the gem store. ▶Available in Store Chemsynth Pack ( 10000 File:Store gem.png ) ▶ Splicing The tree of this item can be made by mixing the following seeds: Ghost Jar Seed Water Balloon Seed