Why does my horse's tack smell musty after storage?
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Overview
If your horse's tack smells musty after storage, the most common reason is trapped damp, poor airflow or residue left on the leather before it was put away. It often points to storage conditions rather than a serious problem, but it is worth checking the tack carefully before you use it again.
In many cases, a proper clean, complete drying and better storage can make a big difference. If the smell keeps coming back, there may be mould, mildew or hidden damp in the storage area.
Things To Check
1. Smell the tack in a few places, not just one area, to see whether the odour is general or limited to one strap, flap or pad.
2. Look for any visible mould, dark patches, sticky residue or a powdery surface on the leather or stitching.
3. Check whether the tack was stored while still slightly damp from rain, sweat, cleaning products or washing down.
4. Inspect the storage area for poor ventilation, condensation, leaks, damp walls or a musty smell in the room itself.
5. Run your hands over the leather to check for stiffness, cracking, tackiness or any change in texture.
6. Look at buckles, keepers, seams and folded areas where damp and dirt can sit unnoticed.
7. Check whether saddle pads, girths or other items were stored close to the tack, as they can add moisture or smell if they were not fully dry.
8. Make sure the smell is from the tack itself and not from nearby feed, bedding, stable cleaning products or the storage cupboard.
Common Causes
The most common cause is damp leather stored before it was fully dry. Leather can hold moisture for longer than it looks, especially in folds, straps and seams.
Another common reason is a build-up of sweat, dust, hair or old cleaning residue. Over time, this can start to smell stale, especially if the tack has been put away after only a quick wipe down.
Poor airflow is another frequent factor. Tack kept in a closed bag, sealed trunk or damp tack room may develop a musty smell even if it was fairly clean when stored.
Mould or mildew can also cause an obvious musty odour. This is more likely if the storage space is humid, cold or affected by condensation.
Less commonly, the smell may come from nearby materials rather than the tack itself, such as damp saddle pads, rugs or old leather items stored close together.
What To Do
Take the tack out of storage and let it air in a dry, well ventilated place. Avoid using direct heat, as this can dry and damage leather.
Brush off loose dirt first, then clean the tack properly so you are not sealing grime into the leather again. Pay extra attention to seams, keepers, buckles and folded areas.
Allow every item to dry fully before putting it away. If the room is damp, try improving airflow or moving tack to a drier storage spot.
Check the whole tack room or cupboard for hidden moisture, leaking walls or condensation. A damp environment can make the smell return even after cleaning.
If you find mould, keep the affected tack separate until it has been cleaned thoroughly and you are happy it is safe to use. If the leather feels badly damaged, cracked or fragile, it may need professional attention.
Going forward, store tack only when it is clean and dry, and avoid packing it tightly into closed containers for long periods.
Related Questions
How should I clean horse tack before storing it?
Can damp tack damage leather over time?
How do I stop my tack room smelling musty?
Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.