If you spend any time outdoors in the summer, you know how quickly mosquitoes can ruin a good evening. Between itchy bites and constant buzzing, these pests can make even the most beautiful backyard unbearable. But one TikTok creator says they've found the ultimate solution — and the results speak for themselves.
TikTok user Finch (@afinchmerely) shared a simple, chemical-free hack that has kept their yard completely mosquito-free. In the clip, Finch explains that even by late May, "I have not gotten a single mosquito bite," thanks to this surprisingly easy trick.
@afinchmerely Im bringing mosquito dunks to all my friend's houses. Also it's safe for critters and birds! #mosquito #lifeinthesouth #lifetip #summertip ♬ Cena Engraçada e Inusitada - HarmonicoHCO
The scoop
All you need is a bucket of water, a handful of grass clippings, and one mosquito dunk — a small, donut-shaped tablet that releases bacteria called Bacillus thuringiensis israelensis (BTI). This natural bacteria targets and kills mosquito larvae before they can mature, effectively halting the breeding cycle.
Finch explains that the stagnant water and organic matter lure adult mosquitoes to lay eggs in the bucket, but the BTI ensures that the larvae won't survive. "It's safe for critters and birds!" they add in the caption, noting that the method works without harming pets or wildlife.
If you're curious to try this yourself, mosquito dunks are sold in most garden centers and hardware stores.
How it's helping
Beyond making outdoor spaces more comfortable, this hack offers big benefits for your health and wallet. It saves money by cutting down on costly bug sprays and citronella products — not to mention the frustration of constant itching. Plus, it keeps you outside longer, supporting the mental and physical health perks of gardening and time spent in nature.
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Environmentally speaking, using mosquito dunks instead of chemical sprays reduces toxic runoff that can harm pollinators and waterways. Natural pest control solutions like this one help preserve local ecosystems while keeping your yard mosquito-free.
What everyone's saying
TikTok users were quick to call this method a "game changer." One commenter wrote, "So many of us are just now learning that mosquito dunks exist." Another added, "I live in a swamp. I'm going to buy all the mosquito dunks."
Others chimed in with tips of their own — from using "dunk water" to treat houseplants with fungus gnats to setting up bat boxes as an additional line of defense. "It's like mosquito birth control!" one viewer joked.
Between the humor and enthusiasm, one thing is clear: Finch's eco-friendly method has people racing to their local garden store for a "slam dunk" solution to summer's most annoying pest.
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