has anyone used serenade fungicide? powdery mildew

hey just wondering if anyone has used this serenade fungicide. how often can i use it? every few days? and is it ok to spray the buds with it too, its all organic the guy at the grow shop told me. im about a month away from harvest and have powdery mildew that is spreading rapidly and need to control the mildew so it doesnt get to the buds. should i just spray the whole plant even the buds with the serenade?

 

U.S. EPA: Registered as a pesticide product.

Inhalation: Inhalation of spray mist may cause respiratory tract irritation in some individuals. ​

Section 3 Notes[FONT=Arial,Arial][FONT=Arial,Arial]: [/FONT][/FONT]In the unlikely event that over-exposure occurs, follow first aid measures in section 4.

SECTION 4: FIRST AID MEASURES ​

[FONT=Arial,Arial][FONT=Arial,Arial]

General: Remove from source of exposure. If irritation or other signs of toxicity occur, seek medical attention.
Eyes: Hold eye open and rinse slowly and gently with plenty of water for at least 15 minutes. If present, remove contact lenses and continue rinsing eye.
Skin: Remove contaminated clothing. Thoroughly wash skin with plenty of soap and water.
Inhalation: Move person to fresh air. If person is not breathing, call an ambulance, then give artificial respiration.
Ingestion: Call a doctor immediately if a large amount is swallowed. Have person sip a glass of water if able to swallow. Do not give anything by mouth to an unconscious person. ​

[/FONT][/FONT]Note to Physicians and First Aid Providers: [FONT=Arial,Arial][FONT=Arial,Arial]This product has low oral, dermal, and inhalation toxicity. Direct contact with eyes may cause temporary irritation. Provide symptomatic and supportive care as necessary
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This post is a good example of why I no longer buy weed on the street

 

thanks for the info but it didnt answer any of my questions