media | January 06, 2026

Can I sprinkle mosquito bits on soil?

Fungus Gnat Control: Sprinkle or spread 1/2 cup of Mosquito Bits granules per square foot of soil. Water as you would normally. The watering will release the Bti into the soil where the larvae of the Fungus Gnat will feed on it and die. Repeat applications at three-week intervals for continued control.

Can I put mosquito bits on top of soil?

BTI is the active ingredient in top-selling Mosquito Bits®, which is approved for the control of fungus gnats. To kill fungus gnat larvae, simply shake the granular Mosquito Bits® onto the potting soil in houseplants. Also use it on other container-grown plants—including vegetables and herbs.

Can I use mosquito bits in my garden?

Harmless to people, plants, and pets, Mosquito Bits® can be used on both ornamental and vegetable plants and will effectively eliminate the fungus gnat larvae that grow in the potting soil.

How often should I water with mosquito bits?

Mosquito bits contain a bacterium that is poisonous to fungus gnat larvae when eaten. One recommendation to soak mosquito bits in water (2 tablespoons of mosquito bits to a half-gallon of water). Then you can water your plants with the mosquito bit-soaked water once per week for three weeks.

Can I dissolve mosquito bits in water?

One way to use Mosquito Bits is to have them dissolve in a bucket of water overnight, then to apply the treated water on the infested soil. Generally speaking, you should start to see results after about 24 hours.

How to Control Fungus Gnats with BTI | Soak and Splash Method

How long is mosquito bits water good for?

How often do you use Mosquito Dunks or Bits? Sometimes standing water can't be easily eliminated. That is where Dunks and Bits come in. Mosquito Dunks are intended to last for about 30 days once in the water.

How long does it take mosquito bits to work?

Mosquito Bits use Bacillus thuringiensis v. israelensis to kill mosquito and fungus gnat larvae before they mature into breeding adults. The larvae of these pest insects die within 24 hours of nibbling on the baited bits. Once applied, you can get back outdoors and begin to enjoy your lawn, garden and farm!

Can you bottom water with mosquito bits?

Mosquito Bits

It comes in pellet form that you can sprinkle directly onto your soil. Before you water your plants, you can also soak the pellets inside your watering can to release the bacteria into the water.

How do you use mosquito dunks in a potted plant?

Set 1 quarter of a dunk in 1 gallon of water and allow it to mix with the water naturally overnight. Pour this treated water in a watering can and use it to water your houseplants. Repeat once per week to keep the fungus gnats away. Wash your hands with soap and water immediately after using the Mosquito Dunk.

Are mosquito bits toxic?

No. Bti has no toxicity to people, so it can be applied safely to mosquito habitat without a detrimental impact on food crops or water supplies. In fact, Bti can be used for pest control in organic farming operations.

Do Mosquito Dunks harm plants?

Use A Mosquito Dunk

BTI isn't a pesticide product. Instead, it's a strain of bacteria that functions as a biological mosquito larvicide. This organism naturally kills a pest but leaves the surrounding environment unharmed.

Are mosquito dunks safe for vegetable gardens?

Simply add a Mosquito Dunk to any standing water, or water garden. It is non-toxic to other organisms in the water. As it slowly dissolves, it releases a bacterium toxic only to mosquito larvae.

How long does it take for mosquito dunks to work?

Dunks® begin killing mosquito larva within hours; you should start to notice a difference in about 48 hours. * Dunks or similar larivicidal products using the bacteria Bacillus thuringiensis israelensis (BTI) are available in most home centers, hardware stores, garden centers, nurseries, and outdoor pond stores.

Can I mix neem oil and mosquito bits?

To use as a repellent, rub neem oil onto exposed skin to prevent being an all-you-can-eat buffet for the mosquitos. You can also combine neem oil with equal parts tea tree oil. Neem can also be used topically on bug bites.

How do you drench indoor plants with soil?

When in doubt, pour a steady stream around the base of the plant, soaking the soil down to at least 2 inches with the drench mixture. Move mulch away from the plant to expose the top of the roots before drenching the soil, then return the mulch to help hold the moisture in place.

Does watering from the bottom prevent gnats?

Watering is a critical part of plant care, and bottom watering can help prevent yucky things like fungus gnats.

Can you reuse mosquito dunks?

Mosquito Dunks® can be stored indefinitely because, technically speaking, the dried B.t.i. in Mosquito Dunks® is not living, viable bacteria.

Are mosquito bits toxic to dogs?

Answer: Yes, Summit Mosquito Bits are very safe. They can be applied in areas used by or in contact with humans, horses, livestock, pets, birds, or any other wildlife.

Will mosquito bits hurt fish?

Mosquito Bits work the same way as a Dunk. It dissolves in water and uses Bacillus thuringiensis subsp. israelensis (BTI) to kill off mosquito larvae but is harmless to your fish, frogs, and tadpoles.

Do Mosquito Dunks fully dissolve?

If you wish to toss a dunk into y… BTI Mosquito Dunks will not dissolve immediately into water as that is not how they are designed to work. They float on standing water areas to slowly break down over about a 30 day time frame to sterilize the water so no mosquitoes can lay viable eggs in the water.

Do mosquito bits expire?

A: Just like mosquito Dunks, Bits are not given an expiration date, though you should have the mindset of them lasting at minimum 8 years. Q: How long will mosquito Bits last once used? A: Mosquito Bits last 7-14 days, with more needing to be used every 14 days.

Can you use mosquito bits on lawn?

Use Mosquito Bits when mosquitoes are active especially after rainfall when there may be a lot of different areas around your yard where water has accumulated (bird baths, puddles, ditches, old tires etc.)