Osorno Enterprises

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Peracetic Acid Solution (Fungicide #1)


For a larger container size, please request a quote by email or by phone at (204) 488-1538.


Fungicide #1 is a concentrated blend of peracetic acid and hydrogen peroxide for treating mildew.  We recommend using it to get rid of mildew on grapes before harvest.

The food and drink industry uses peracetic acid as a sanitizer and disinfectant.

Fungicide #1 is very reactive and will quickly break down into acetic acid (vinegar), oxygen, and water. It does not leave behind any harmful residue and is therefore safe for use up to the time of harvest.

If you also want an algaecide for pools & lagoons, try Fungicide #2.


Additional information


4 L

Dosing Rate

To prepare 100 L of spray solution, add 100 L of water to 1 L of Fungicide #1 .


Concentrated Fungicide #1 is very corrosive and has a strong vinegar smell.
- You can use it on grapes before harvest.
- After use, Fungicide #1 decomposes very quickly without leaving behind any harmful residue.


- If applied in a concentrated form, it may damage plants. Please check the User Manual for proper application.
- Concentrate may damage skin and eyes. Always wear gloves and goggles when working with concentrated products.
- Concentrate may bleach clothing. Make sure to protect clothing when working with Fungicide #1.
Read MSDS before use.


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Osorno Enterprises Inc.
976 Elgin Avenue
Winnipeg MB R3E 1B4
+1 204 488-1538 (Phone)
+1 204 488-1566 (Fax)
Regular Hours of Operation
We are closed on December 24 - 28, 2020 and
December 31, 2020 - January 4, 2021
Monday - Friday: 9:00 - 17:00
Saturday - Sunday: Closed

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