PRENTOX ROTENONE FISH TOXICANT POWDER

CENTRAL GARDEN & PET COMPANY · Rotenone 8.74%; Cube Resins other than rotenone 13.11% · EPA Reg 89459-32 · POISON, SINGLE DOSE ✓ Last verified 2022-05-20

Key facts From the EPA

Registration, signal word, restricted-use status and approved use sites are sourced from the U.S. EPA pesticide registry. EPA Reg. No. 89459-32. View this product's label on the EPA ↗ (EPA copy accepted March 2, 2016)

Active ingredient Rotenone 8.74%; Cube Resins other than rotenone 13.11%

Manufacturer CENTRAL GARDEN & PET COMPANY

EPA registration 89459-32

Signal word DANGER

Category POISON, SINGLE DOSE

Target pests FISH; CARP; BULLHEADS

Restricted use Restricted-Use Pesticide (RUP)

Approved use sites (3) LAKES (WATER TREATMENT)PONDS (FISH) (WATER TREATMENT)STREAMS (WATER TREATMENT)

According to the label From the product label

These application details were read from this product's label by our system to help you in the field. The label is the law — always confirm rates, sites and restrictions against the actual product label before mixing or applying. View the full label →

This product is a rotenone powder fish toxicant containing 5% active rotenone. It is used to control fish in outdoor standing water, including springs, seeps, and areas with poor water exchange. Application involves mixing the powder with water to create a 1% to 5% w/w concentration, or creating a dough-like consistency by mixing the powder with sand and unflavored gelatin.

Application rates & sites 6

Indoor / Outdoor	Where on site	Rate	Dilution	Infestation level	Notes
Outdoor	standing water	0.74 to 0.37 AF Per Pound Product (5% A.I.)	0.5 – 1.0 ppm Active Rotenone	Normal	Adjust amount of product according to the actual rotenone content on Ingredient Statement on label.
Outdoor	standing water	0.37 to 0.123 AF Per Pound Product (5% A.I.)	1.0 – 3.0 ppm Active Rotenone	Tolerant Species	Adjust amount of product according to the actual rotenone content on Ingredient Statement on label.
Outdoor	standing water	0.185 to 0.093 AF Per Pound Product (5% A.I.)	2.0 – 4.0 ppm Active Rotenone	Tolerant Species in Organic Ponds	Adjust amount of product according to the actual rotenone content on Ingredient Statement on label.
Outdoor	standing water	2000 to 1000 m3 per Kilogram Product (5% A.I.)	0.5 – 1.0 ppm Active Rotenone	Normal	Adjust amount of product according to the actual rotenone content on Ingredient Statement on label.
Outdoor	standing water	1000 to 333 m3 per Kilogram Product (5% A.I.)	1.0 – 3.0 ppm Active Rotenone	Tolerant Species	Adjust amount of product according to the actual rotenone content on Ingredient Statement on label.
Outdoor	standing water	500 to 250 m3 per Kilogram Product (5% A.I.)	2.0 – 4.0 ppm Active Rotenone	Tolerant Species in Organic Ponds	Adjust amount of product according to the actual rotenone content on Ingredient Statement on label.

Mixing & dilution 2

For	Where	Amount	Per	Finished strength	Notes
		1 to 5%	w/w powder to water		Using the semi-closed aspirator system, pre-mix at approximately 1 to 5% w/w powder to water.
	Springs, Seeps and Areas With Poor Water Exchange	one pound (0.454 kg) of powdered rotenone to one pound (0.454 kg) of fine to medium washed sand to 2 ounces (0.0567 kg) of unflavored gelatin	1:1:0.0125	dough-like consistency	add sufficient water to create a dough-like consistency. Keep mixture moist by storing in a sealed container. Only use when in a dough like consistency to insure efficacy.

Timing & weather

treat within 48 hours to avoid deactivation (detoxification)
Water treated with this product will deactivate under natural conditions within one week to one month depending upon temperatures, alkalinity, etc.
Typically, wait 2 to 4 weeks after treatment prior to restocking.

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Versions 2026-03-22 · default 2026-03-22

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