Yes, vinegar can go in the compost.
You can also pour some apple cider vinegar into a composting system along with other acidifying organic materials to make an acidic compost/ potting mix.
A great cleaner for composting toilets is pure vinegar for the urine diverter, the urine bottle, and seat, and an environmentally safe soap mixed with water for the rest. You can also mix water and baking soda as cleaner alternative that is microbe safe.
DON'T add meat scraps, bones, grease, whole eggs, or dairy products to the compost pile because they decompose slowly, cause odors, and can attract rodents. DON'T add pet feces or spent cat liter to the compost pile. DON'T add diseased plant material or weeds that have gone to seed.
Pickles are certainly compostable, as long as you do that in moderate amounts. In addition, always read the packet ingredients of your pickles to make sure they are completely toxin and chemical-free. Remember, anything with harmful chemicals should be avoided in your compost pile.
These little flies are vinegar flies or drosophila, and the reason why they're found in the compost bin or worm farm is because they feed on and breed in rotting fruit and vegetable matter, and their larvae (maggots) feed on micro-organisms. They're short-lived, with a lifespan of around 50 days.
Composting Don'ts
Don't add fish, meat, dairy products, bones, baked goods, fatty foods or grease to your compost pile. These food scraps do not easily decompose and may attract animals. Don't use diseased plants or plants that are toxic to other plants.
Every single part of an onion is 100% compostable!
You may have heard otherwise, and yes, there are a few things to look out for if you want to add them to a worm bin, but no worries, onions can make their way to your compost bin, just like your other kitchen scraps!
No matter how old or fresh the garlic is, you can put it in compost. Every part of garlic, in fact, can be composted, including the cloves, skins, and scalps.
In cases like prolonged diarrhea or excessive condensation, add small amount of your composting bulking material (coco fiber OR peat moss). Make sure that the liquids in the solids bin is not from someone directly urinating into the compost solids bin.
If you have a toilet with an exhaust fan set up, you won't need to actually dispose of urine as the moisture will make its way back into the atmosphere by being evaporated. If however, you have a urine-diverting composting toilet, you will need to dispose of urine that's caught in a separate container.
If you want to avoid that your composting toilet smells, never use pure water to rinse and flush your urine canister. Instead, use diluted acetic acid (1:1 or stronger) or diluted citric acid (max. 3 tablespoons to 1 liter of water).
Putting baking soda in your compost pile is never a good idea. Because it kills fungus, it will end up killing the beneficial fungicides in your compost pile, thus destroying the entire pile. What's more, it is also known for killing out earthworms.
Even though vinegar is an acid, it breaks down quickly in the soil and, therefore, is not likely to accumulate enough to affect soil pH for more than a few days.
Compost Additive
While there is still research determining the benefits of pickle juice for plants, the acidity can definitely help break down your compost scraps. But beware of adding too much to your compost—the pH should be balanced to keep your food waste bin healthy.
Can I place used paper towels, napkins, and tissue in my compost cart? Yes, absolutely. These items can be composted even if they are wet or stained with food, vegetable oil, or grease.
HIGHLY ACIDIC FOODS
Citrus fruit, tomato products and pickled food products can do harm to your compost. High acidity can actually kill the good bacteria that helps break down the material in your compost pile.
Answer: You can add moldy food (vegetables and fruits only) to a backyard composting bin anytime. Mold cells are just one of the many different types of microorganisms that take care of decomposition and are fine in a backyard bin. If you're using a worm bin, you have to be a bit more careful.
Beware that enclosed compost piles can overheat and create high levels of dangerous gasses, such as methane, so be sure to rotate the container or till the pile daily. Do not place compost near a building. In addition to the fire concerns, compost placed adjacent to buildings can promote infestation.
While vinegar is an excellent tool for repelling certain insects, not all bugs hate vinegar. Specifically, aphids and fruit flies love the scent of vinegar and will seek it out. You can use this to your advantage by creating traps.
Vinegar can keep animals out of your yard.
Deer, as well as other animals, “including cats, dogs, rabbits, foxes, and raccoons, [don't like] the scent of vinegar even after it has dried.