Any advice on upgrading the Herbacide Squirter?
Definitely upgrade to 15. You will get 25 crafting pieces vs. 4.
Forum Discussion
Personally, I think it is worth it to lvl up till 13. Some say 15. The squirter is the #1 currency generator. The longer you wait the less you will earn.
Here is a thread
http://forum.ea.com/eaforum/posts/list/10331458.page
Here is a thread
http://forum.ea.com/eaforum/posts/list/10331458.page
