Test Soil Acidity › Budget101 Discussion List Archives › Budget101 Discussion List › Test Soil Acidity This topic has 0 replies, 1 voice, and was last updated May 19, 2006 at 6:21 pm by . Viewing 0 reply threads Author Posts May 19, 2006 at 6:21 pm #250732 Guest To test soil acidity, wet your soil and add a tiny bit of baking Soda. If the mix fizzes, the soil is acidic. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Register Log In › Budget101 Discussion List Archives › Budget101 Discussion List › Test Soil Acidity