What’s Under Your Kitchen Sink?

Is your ‘stash it’ place the cabinet under your kitchen sink? Too often it ends up being the place that this-that-and-the-other gets stuffed for lack of a better location or simply to get it out of sight. When this happens, it’s hard to keep this area tidy and ready for the unexpected leak.

Clutter under the kitchen sink
Under-the-sink poorly managed storage. Photo: Robin Litchfield

Along with the maze of pipes that live under the kitchen sink, it’s always amazing what may be found in the ‘cave of castoffs’ scattered among the needed and regularly used dishwashing and kitchen cleaning supplies.

The best way to reorganize and reclaim this space is to take everything out. Once the cabinet is emptied, clean the cabinet to remove dust and crumbs. This is also a good time to note any water stains on the cabinet floor or suspicious signs with any of the pipes, water lines, or faucets inside the cabinet.  (Anything suspicious should be checked out to prevent a plumbing disaster.)

Before putting anything back in the cabinet, consider an absorbent mat for the bottom of the cabinet to absorb a bit of water from a dripping sponge or leaking from a pipe or a stored product. These mats protect the cabinetry and prevent the formation of mold. One may also want to consider purchasing clear plastic containers for organizing or protecting items or even installing tiered under-sink organizers to make use of the available vertical space or pull-out racks to keep items from getting lost in the back of the cabinet and bring them forward for easy access. Home improvement and container stores have any number of these items designed to work around the pipes and garbage disposal. The inside of the cabinet doors are an ideal place to mount a towel rack or racks made for storing everything from trash bags to paper towels and sponges.

With a clean and open space, let’s get started on reclaiming that space and make it work better for you using Store This, Not That tips from various organization experts. It starts with an inventory of the contents noting what should be in the cabinet, what should or could be stored elsewhere, and what should be discarded.

NOT THAT
(What not to store under the kitchen sink.)

Cleaning items. Unused, old, broken or no-long suitable cleaners, sponges, scrub brushes and other castoffs that have accumulated behind closed doors should be discarded. If they might have a life in another capacity, place them with the anticipated activity. If you like to keep worn nylon scrubbers and brushes around to wash garden produce or other outdoor items, move these items to the space where they would likely be used for this purpose.

Overstock, refills, or extra supplies. Quantity or bought-ahead, unopened products should go to another storage area. Perhaps a space in the basement or a storage closet is a great place to store bulk paper towels, dishwasher tablets, boxes of trash bags, and other like items. If you need a reminder of what is on hand, leave yourself sticky notes inside of the cabinet. Refill from the stash in the alternative space until the quantity is exhausted; add the item to your shopping list and repurchase.

Towels, rags, paper towels, paper bags. All of these items absorb water and odors. While absorbing water in the event of a leak may be a good thing, it will ruin them. These items are also prone to odor absorption from other stored items or the waste basket when combined with heat and humidity coming from the sink and/or dishwasher. If the only storage space available for these items is under the sink, they should be stored in closed plastic containers.

Metal items. With one exception*, tools, pots and pans, metal cookware, or anything else that is prone to rusting does not belong. This also includes small appliances and light bulbs. (*Exception will be discussed in Save This.)

Produce, food items, pet food/treats. Produce and dry foods may mold under the sink. 

Harsh chemicals, flammable products, insecticides. Bleach, insecticides, solvents, thinners, paints, polishes, and household cleaners have no place under the kitchen sink. These items need to be stored in the basement, garage, or utility area and away from small children. Occasionally the containers of these items spring a leak or emit fumes—all of which we do not want in our living areas and especially not in our kitchen. Further, often a dishwasher sits next to the sink cabinet; heat or an electrical spark and flammable fumes could cause a sudden explosion or fire.

STORE THIS
(What to store under the kitchen sink.)

Cleaning products. Keep the essentials such as vinegar, dish soap, dishwasher products, cleansers, scrubbers, sponges, brushes, kitchen gloves, and cleansing agents—all of the items needed daily to maintain a clean and healthy kitchen. (If young children are in the home, the doors to the cabinet should be secured with child-proof locks to prevent accidental poisoning from any of these products.) A pull-out rack or a lazy susan is a great way to corral these items and make them easy to access.

Small fire extinguisher. One should always have a serviceable fire extinguisher in the kitchen in the event of a grease fire. Under the sink within quick and easy reach is one of the best locations for it. Before storing, the viability date should be checked and replaced if out of date. Consider mounting the extinguisher to a side wall of the cabinet.

Garbage disposal tool*. The one and only tool that should be stored under the sink is the garbage disposal tool used for unjamming the garbage disposal. Inevitably this tool gets lost. Some disposals come with a pocket for storing the tool on the side of the disposal. If not, consider placing the tool in a ziplock bag and thumb tacking the bag to a cabinet wall making it easy to see and locate when a jam occurs.

Miscellaneous. Depending upon space, items such as a vase or two, trash bags, dish towels in plastic containers, small dust pan and brush, and bags for recycling (contained in some manner) may find a home under the sink.

By reclaiming and organizing under sink space, the kitchen is safer and more efficient. Maybe the space under other sinks in the home need a look, too?

Updated December 2023, mg.

Marlene Geiger

I am a graduate of the University of Nebraska-Lincoln with a BS in Home Economics Education and Extension and from Colorado State University with a MS in Textiles and Clothing. I enjoy spending time with family and friends, gardening, quilting, cooking, sewing, and sharing knowledge and experience with others.

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6 thoughts on “What’s Under Your Kitchen Sink?

  1. I like this post knowing about what things are store and what is not. It’s a really helpful article because every people should know that things.

  2. Interesting! I never thought about what should and should not be under there. But why shouldn’t overstock items be stored under the sink?

  3. Hi Mackenzie, you know your space best. Use the space if you like to store overstock items as long as those items are not food items and do not interfere with items that need to be stored under the sink. Food items should be stored in a cool, dark location (pantry) for best quality. Under the sink is not a pantry.

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