Calcium Carbonate (Ground Limestone) is a soil additive & worm food combo!

What does it do?

• Lowers the acidity and controls moisture in your worm bin.
• Provides valuable nutrients to plants while also correcting the pH of the soil. 
• Helps bring worm bedding back towards a neutral pH.
• Makes your worms happy and productive.
• Provides your worms with Calcium and other minerals.