Lime has many, many names, but usually, it’s all lime (crushed Limestone ground into a fine powder).
Here are some of the many names of lime you can use.
Type S Lime (most common)
Type SA Lime
Type N Lime
Type NA Lime
DO NOT PURCHASE GRANULATED LIME (little lime balls for yards / fertilizer).
ONLY USE LIME THAT IS IN POWERED FORM! IT WILL LOOK / FEEL LIKE POWDERED SUGAR.