Prenfish Fish Toxicant

Zoecon · Rotenone 5%; Cube Resins other than rotenone 3.5% · EPA Reg 89459-85 · pesticide_other Document last checked 2021-01-27

About this product

Active ingredient Rotenone 5%; Cube Resins other than rotenone 3.5%

Manufacturer Zoecon

Category pesticide_other

Full details for Prenfish Fish Toxicant

Source product label ↗ Open the catalog source label while the local copy is reviewed. Verify the product name, EPA registration number, and revision before use. Source safety data sheet ↗ Open the catalog source SDS while the local copy is reviewed. Verify the exact product and revision before relying on it. EPA registration data Reg. 89459-85 — registry reference, signal word and status.

Applicator discussion

Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.

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According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 89459-85 →

This product contains 5% rotenone as the active ingredient. It is used to control fish in outdoor streams. To apply, drip the product into the flowing portion of the stream for 4 to 8 hours, using multiple application sites spaced approximately ½ to 2 miles apart.

Pests covered (1)

fish

Areas treatable (8)

streamsAERIAL APPLICATIONLAKES (WATER TREATMENT)PONDS (WATER TREATMENT)RESERVOIRS (WATER TREATMENT)RIVERS (WATER TREATMENT)STREAMS (WATER TREATMENT)TANK MIX

How to treat each type of area 3

streams

Normal

Target pest	Location	Rate	Unit	Dilution	Label notes
fish	Outdoor	0.025 – 0.05	ppm	undiluted for flows > 25 ft3/s (> 0.708 m3/s); diluted for flows < 25 ft3/s (< 0.708 m3/s)	Apply rotenone as a drip for 4 to 8 hours to the flowing portion of the stream. Multiple application sites are used along the length of the treated stream, spaced approximately ½ to 2 miles apart.

Tolerant Species

Target pest	Location	Rate	Unit	Dilution	Label notes
fish	Outdoor	0.5 – 1.0	ppm	undiluted for flows > 25 ft3/s (> 0.708 m3/s); diluted for flows < 25 ft3/s (< 0.708 m3/s)	Apply rotenone as a drip for 4 to 8 hours to the flowing portion of the stream.

Tolerant Species in Organic Waters

Target pest	Location	Rate	Unit	Dilution	Label notes
fish	Outdoor	2.0 – 4.0	ppm	undiluted for flows > 25 ft3/s (> 0.708 m3/s); diluted for flows < 25 ft3/s (< 0.708 m3/s)	Apply rotenone as a drip for 4 to 8 hours to the flowing portion of the stream.

Mixing instructions 6

For pests	Location	Amount	Per	Finished strength	Label notes
fish	Outdoor	1 gallon	18.4 to 9.2 ft3/s (4-hr) or 9.2 to 4.6 ft3/s (8-hr)	0.5 – 1.0 ppm	Product (5% A.I.)
fish	Outdoor	1 gallon	9.2 to 3.1 ft3/s (4-hr) or 4.6 to 1.6 ft3/s (8-hr)	1.0 – 3.0 ppm	Product (5% A.I.)
fish	Outdoor	1 gallon	4.6 to 2.3 ft3/s (4-hr) or 2.3 to 1.2 ft3/s (8-hr)	2.0 – 4.0 ppm	Product (5% A.I.)
fish	Outdoor	1 liter	0.138 to 0.069 m3/s (4-hr) or 0.069 to 0.034 m3/s (8-hr)	0.025 – 0.05 ppm	Product (5% A.I.)
fish	Outdoor	1 liter	0.069 to 0.024 m3/s (4-hr) or 0.034 to 0.013 m3/s (8-hr)	1.0 – 3.0 ppm	Product (5% A.I.)
fish	Outdoor	1 liter	0.034 to 0.018 m3/s (4-hr) or 0.018 to 0.008 m3/s (8-hr)	2.0 – 4.0 ppm	Product (5% A.I.)