Blue Solution

Blue Solution is a type of  ammo in the 1.2 update. It can only be used with the  Clentaminator, and will spread the Hallow  when sprayed. It can be purchased from the  Steampunker for twenty-five silver coins when u make a house for him in the Hallow.

You also have Green solution that spreadsthe Purity . ==Update Info== 1.2

added in game