How to Use Crushed Lime in Horse Stalls


Adding crushed lime in horse stalls over a sand base for drainage, then adding bedding on top makes a stall that is easy to keep clean. Lime reduces odors and moisture that build up in barns.

Benefits of Crushed Lime

In cold climates, horse owners need to close the barn doors in the winter to keep the barn warm and the horses comfortable. Closing the doors reduces airflow and ventilation leading to a buildup of ammonia. Horse manure and urine contain urea that converts to ammonia. Exposure to too much ammonia in the air is a threat to horses. It can cause respiratory problems when irritating the airways and thrush. When using crushed lime correctly in a stall, it soaks up moisture and absorbs ammonia to keep your horse healthy.

Making a Crushed Lime Horse Stall

Things You'll Need

  • Sand
  • Hoe
  • Crushed lime
  • Garden hose
  • Tamper
  • Bedding

Step 1

Place a layer of sand in your stall that is 6 to 8 inches thick. Spread the sand with a hoe to level it.

Step 2

Add crushed lime on top of the sand in a layer approximately 4 to 5 inches deep. Level the crushed lime over the sand with a hoe.

Step 3

Water the crushed lime with a garden hose until it is thoroughly wet. Allow it to partially dry and tamp it down with a tamper. Allow the flooring to dry completely. When dry, crushed lime is almost as hard as concrete.

Step 4

Add a minimum of 4 inches of your horse bedding of choice, such as shaving, wood pellets or straw.


  • Add more horse bedding material each time you clean the stall to prevent your horse from coming in contact with the packed crushed lime.

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