how many gallon/ton water does one dunk covers for pond?

I realize this is an old question but for people wondering, we have an 86' diameter pond. To find out how many dunks are needed we half the diameter to the radius (43), square that number by multiplying it by itself (43x43=1849) then multiply by 3.14159 (5808.8) now divide by the 100 Sq Ft each dunk covers = 58 dunks to do our pond for 30 days. Wow. The better solution for a large pond is a submersible sump pump on a timer to come on at regular intervals and keep the water aerated and moving.

What is the exact definition regarding cats and dogs safety? What agency states the safety of the product?

Here is a bit more info with OSHA's required MSDS. I think the EPA designations are most useful in answering you pet related questions.Material Safety Data SheetProduct Identity (Label Name): Mosquito DunksSection 1Manufacturer's Name: Summit Chemical Company7657 Canton Center DriveBaltimore, MD 21224Telephone Number: (410) 282-5200 / (800) 227-8664Date Prepared: 11/01/98EPA No.: 6218-47Section 2 Hazardous Ingredients/Identity InformationHazardous Components OSHA PEL ACGIH TLV Other LimitsNo hazardous or toxic componentsSection 3 Physical CharacteristicsBoiling Point: N/AMelting Point: NoneSpecific Gravity: Less dense than waterEvaporation Rate: N/AVapor Pressure: N/AVapor Density: N/ASolubility in Water: N/AAppearance: Light brown donut - Shaped disks.Odor: Essentially noneSection 4 Fire and Explosion Hazard DataFlash Point: NoneMethod Used:Flammable Limits:L.E.L.: NoneU.E.L.: NoneExtinguishing Media: Water, conventional fire extinguishersSpecial Fire Fighting Procedures: NoneUnusual Fire and Explosion Hazards: NoneSection 5 Reactivity DataStability: Stable: X Unstable:Conditions to Avoid: Protect briquettes from moisture during storageIncompatibility (Materials to Avoid): Alkaline conditions above pH 9 may denatureproductsHazardous Decomposition Products: NoneHazardous Polymerization: Will not occurConditions to Avoid: NoneSection 6 Health Hazard DataRoute of Entry:Inhalation: NoSkin: NoIngestion: NoHealth Hazards (Acute and Chronic): None knownCarcinogenicity:NTP: NoIARC Monograph: NoOSHA Regulated: NoSigns and Symptoms of Exposure: No exposure hazardMedical Conditions Generally Aggravated by Exposure: None knownEmergency and First Aid Procedures: None requiredSection 7 Precautions for Safe Handling and UseSteps to Be Taken in Case Material is Released or Spilled: Clean up with soap and water.Waste Disposal Method: Conventional trash removaland land fill disposal.Precautions to be Taken in Handling and Storage: Store in a cool dry placeOther Precautions: Reseal opened containers afterpartial use.Section 8 Control MeasureRespiratory Protection (Specify Type): None neededVentilation:Local Exhaust: None neededMechanical: None neededSpecial:Other:Protective Clothing: None needed, wear normal work clothesGloves: None neededEye Protection: None neededClothes: None neededProtective Clothing: No special practices neededCheers.

is this product pet friendly to cats and dogs... ye or no?

100% pet friendly. It's a dried bacteria and perfectly safe to eat if that's your thing. Also safe for aquatic plants and animals.

Will these harm bees and other pollinators?

No it will not harm bees or other pollinators. This is not a chemical insecticide. It's a bacteria that attacks only mosquito larvae in stagnant water.

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🛡️ Defend your space, naturally—because biting mosquitoes are so last season!

WIDE COVERAGE 🌊 - Each dunk treats 100 sq ft, perfect for ponds, pools, and breeding hotspots.
LARVAE ASSASSIN 🦟 - Targets mosquito larvae early to stop bites before they start.
MONTH LONG DEFENSE ⏳ - Continuous protection for up to 30 days per dunk—set it and forget it.
VERSATILE SECURE ⚓ - Floats and settles naturally; can be anchored to stay put in any environment.
ECO FRIENDLY SHIELD 🌿 - BTI bacteria kills mosquitoes without harming pets, fish, or wildlife.

Summit 20-Pack Mosquito Dunks use BTI, a bacteria toxic only to mosquito larvae, providing up to 30 days of organic, eco-friendly mosquito control. Each dunk covers 100 square feet, floating and settling to treat breeding sites effectively without harming pets, wildlife, or humans.

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Product Dimensions	7.62 x 7.62 x 7.62 cm; 340.19 g
Part number	Summit - 111-5
Item display height	13.3 inches
Item display length	0.8 inches
Item display width	11.5 inches
Item display weight	1 Pounds
Item volume	1 Fluid Ounces
Manufacturer	Summit
Item model number	111-5
ASIN	B0002568YA

Summit20-Pack Mosquito Dunk

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