Cannabis Powdery Mildew Control is a fast-acting foliar spray that stops powdery mildew before it ruins your crop. Its potassium bicarbonate formula breaks down fungal cell walls on contact, while a blend of plant oils helps prevent new spores from taking hold. Use it as part of an integrated pest management plan to keep your cannabis healthy from clone to harvest.
Preventing Cannabis Powdery Mildew
Key Features
- Potassium bicarbonate formula kills powdery mildew on contact
- OMRI-listed for organic cannabis production
- Ready-to-use sprayer, no mixing required
- Works in vegetative and flowering stages
- Low risk to beneficial insects and pollinators
- Can be used as a preventative or curative treatment
- Available in 32 oz ready-to-use and 16 oz concentrate
The active ingredient is potassium bicarbonate (1%), supported by a proprietary blend of plant-derived oils and surfactants. The ready-to-use formula comes in a 32 oz spray bottle; the concentrate makes up to 2 gallons when diluted. Store in a cool, dry place away from direct sunlight. Shelf life is two years unopened. For best results, apply every 7-10 days until conditions no longer favor mildew.
Orders ship within one business day. Free shipping on qualifying orders. If you are not satisfied, return unopened items within 30 days for a refund.
How do I apply it?
Spray leaves and stems thoroughly, covering both upper and lower leaf surfaces. Apply in the early morning or evening to avoid leaf burn. Repeat every 7-10 days as needed.
Is it safe for flowering cannabis?
Yes, it is safe for flowering plants when used according to the label. Avoid spraying directly onto dense buds to prevent moisture issues.
Can I use it in a greenhouse?
Absolutely. It works well in greenhouses and grow rooms. Ensure good air circulation and avoid spraying when temperatures exceed 85°F.