Can You Compost Cat Litter? Vet Reviewed Advantages & Dangers

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scooping a compostable pine cat litter

Dr. Karyn Kanowski Photo

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Cats can undergo a considerable amount of litter, which might trigger many pet house owners to fret about its environmental impression. One of many advantages of composting is that it makes use of up meals scraps and might enhance the standard of the soil. A typical query is whether or not it’s secure to compost cat litter. The brief reply is that generally it’s secure to compost cat litter, however there are a number of concerns. Preserve studying as we checklist the advantages and dangers of composting cat litter and supply tips about easy methods to safely achieve this.

The Dangers of Composting Cat Litter

The Poop

Many people are accustomed to utilizing manure in our backyard to assist vegetation develop, so it’s pure to imagine that the identical will occur once we use cat poop. Nevertheless, the manure used on gardens comes from cows or horses, that are strict herbivores, whereas cats are carnivores. Because the two animals eat very completely different meals, the dietary content material of the feces could be fairly completely different, which means they won’t be as helpful to your vegetation. However the principle downside is that carnivore feces can comprise pathogens which are unhealthy to people, like Campylobacter, Cryptosporidium, Salmonella, and Toxoplasma gondii. These can reside for a number of years within the soil, infecting the vegatables and fruits that we develop, leading to diarrhea, vomiting, and different points. Toxoplasma gondii is very harmful for pregnant girls. Subsequently, it’s best to by no means use compost containing litter round vegetation that you simply use for meals.

Dirty cat litter box with clumped litter
Picture Credit score: Cobalt S-Elinoi, Shutterstock

The Litter

Clay-Primarily based Cat Litter

Clay-based litter is likely one of the most typical choices available on the market. It normally has bentonite or calcium bentonite clay. Whereas these litters are efficient at clumping and controlling odor, they don’t seem to be biodegradable, so that you received’t have the ability to use them for composting.

Silica Gel Cat Litter

Silica gel cat litter is fabricated from small porous silica beads. It’s recognized for its excessive absorbency and odor-control properties however is just not biodegradable, so that you received’t have the ability to use it for composting.

Biodegradable Cat Litter

Biodegradable cat litter makes use of pure wooden, paper, corn, wheat, or pine that may break down extra simply than clay or silica gel. This litter is extra eco-friendly and is the perfect and most helpful alternative for composting.


The Elements

Many business cat litters comprise fragrances and different components that may make them unsuitable for composting. Once you’re selecting a model, choose one which makes use of solely pure components, like walnut shells and corn, with no components.

cat litter box and excess on floor
Picture Credit score: Tanya Plotnikova, Shutterstock

The Composting Technique

Yard Composting

Yard composting includes making a compost pile or bin in your backyard. It’s an important choice if in case you have the area and wish to make the most of compost on your vegetation. You might have extra management over the composting course of, and you’ll compost cat litter safely in case you use biodegradable litter and comply with correct composting pointers.

Vermicomposting

Vermicomposting makes use of worms to interrupt down natural matter, and is an efficient alternative for these with restricted out of doors area. Nevertheless, they might not course of cat waste effectively, so it’s not a sensible choice for composting cat litter.

Industrial Composting

Some municipalities supply curbside assortment of compostable supplies after which course of them at industrial composting services. They are able to deal with pet waste and litter, however it’s best to examine with them first to see if any guidelines and situations apply.

Suggestions for Profitable Cat Litter Composting


  • Native laws and ordinances might prohibit or regulate the composting of pet waste, together with cat litter. At all times examine along with your native authorities or waste administration authority earlier than trying to compost cat litter.

  • Profitable composting requires balancing inexperienced nitrogen-rich and brown carbon-rich supplies. Cat litter, no matter kind, provides nitrogen to the combo.

  • Keep away from including cat litter completely to your compost. Combine it with different compostable supplies like kitchen scraps, leaves, and grass clippings to steadiness the carbon-to-nitrogen ratio.

  • Compost piles want moisture to assist microbial exercise. Preserve your compost pile or bin damp however not waterlogged. Cat litter could be fairly absorbent, so monitor moisture ranges intently.

  • Usually flip or aerate your compost to supply oxygen to the microorganisms chargeable for decomposition to assist forestall odors and encourage environment friendly breakdown.

  • Solely use the compost for decorative vegetation, and put on gloves and protecting clothes when working with it to keep away from contamination.

  • Contemplate organising a separate composting system completely for cat litter and waste to assist isolate potential pathogens and stop them from contaminating your common compost pile.

  • Goal to maintain the compost pile at a excessive sufficient temperature to assist the breakdown of pathogens. The best vary for composting is 135–160 levels Fahrenheit.

  • Use a canopy or lid on your cat litter compost pile to guard it from rain and extreme moisture. It is going to additionally assist forestall the leaching of potential contaminants into the soil.

  • Cat urine could be acidic, so periodically examine the pH stage of your cat litter compost. If it turns into too acidic, you may add crushed eggshells or agricultural lime to neutralize it.

  • Be certain that youngsters and different pets can not entry the cat litter compost pile to stop potential well being dangers.

  • Put on gloves and wash your fingers completely after dealing with cat litter and compost.

Abstract

Whereas composting cat litter is feasible in case you comply with the right course of, you may solely use it for flowering vegetation, as it will possibly comprise harmful pathogens like Salmonella and Toxoplasma gondii. You will have to make use of biodegradable plant-based litter, reminiscent of paper, corn, walnut shell, or wheat. The litter that you simply use additionally shouldn’t have any chemical components or fragrances. When composting, combine in different components like grass and kitchen scraps to assist steadiness the nitrogen and carbon.


Featured Picture Credit score: Alaina Sharpshair, Shutterstock

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