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. If you wish to toss a dunk into your barrel you can certainly do so and it will break down over time. It will not harm any plants but it will not control thrip larvae in any way it is used. Mosquito dunks are only for mosquito larvae.
No, The BTI Mosquito Dunks do not have to float on water in order to be effective and you can anchor them in the water as you have described.
According to Summit Chemical the manufacturer of the Mosquito Dunks, the best time to use the dunks is at the beginning of April, and no later than May.
BTI Mosquito Dunks is only designed to affect mosquitoes and psychodid flies and their larvae
Yes, BTI Mosquito Dunks are safe for use in rain barrels and the water can be used on edibles after treated.
Each BTI Mosquito Dunk covers up to 100 square feet of water. So if the water you are treating is a 20 foot diameter container, then you woud have 314 sq ft and would need 4 dunks. Keep in mind that BTI Dunks should be used only in containerized water, and they should not be used in water used for swimming.
According to the manufacturer, BTI Mosquito Dunks are not at all harmful to a septic tank.
According to the product label, BTI Mosquito Dunks should be applied at the rate of 1 dunk for up to 100 sq. ft. of surface area, regardless of the depth of the water.
Chlorine will not affect BTI Mosquito Dunks. Keep in mind that these dunks are for use in containerized water only, and you should not use them in swimming pools.
No, the plastic container would not be safe to store food in after storing the BTI Mosquito Dunks.
BTI Mosquito Dunks can last for up to 30 days or more.
After applying BTI Mosquito Dunks, it takes approximately 48 hours to start to see results. If areas have a higher population of mosquitoes, it could take longer to see results. Please see our Mosquito Treatment Guide for more tips and product recommendations.
Per the product manufacturer of the BTI Mosquito Dunks the insecticidal toxins are a non-toxic by-product of the bacllius thuringiensis on the product which is not harmful to non-target animals in any way.
Yes, BTI Mosquito Dunks are safe for sump pumps and any drainage areas within buildings. One briquet treats up tp 100 sq ft of water.
You can use the BTI Mosquito Dunks directly in wading pools and they will not harm your dogs. These dunks will float on top of the water for several weeks so we would suggest that you take the dunks out of the pool while the dogs are in the water so they will not play with them or try to eat them.
A granular product like Altosid Pro-G Mosquito Larvacide would have an advantage over the BTI Mosquito Dunks because the Altosid granules would disperse over a farther range than a mosquito dunk would cover.