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Bi-Carb Old-Fashioned Fungicide (4 oz) - PFM570

Bi-Carb Old-Fashioned Fungicide (4 oz)
  • Not registered for sale in: AK, AR, DC, KS, KY, MS, ND, NE, OK, SD WY
  • In stock. Ships from our warehouse in Northern California.

Mineral Fungicide for Powdery Mildew

Active ingredient is potassium bicarbonate, which is a contact fungicide, so direct contact with the fungus organism is required for control. Works by disrupting the potassium ion balance in the fungus cell, causing cell walls to collapse.

  • Use for powdery mildew on fruits, vegetables, lawns, herbs, ornamentals, and roses.
  • Apply 2 tsp/gallon water; thoroughly cover foliage.
  • Active ingredient is potassium bicarbonate at 82.0%

Important Information for Certified Organic Growers

We do our best to update our product's organic status, however the status of any product can change at anytime without notice from the manufacturer. Please confirm that the product is allowed by your certifying agency and that it's still OMRI Listed® at

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July 30, 2015 - Meredith Cherry
Few things say “summer” like a juicy slice of melon.  Watermelons, cantaloupes, and other melons are a great addition to the garden.  With a little preparation now, you can be enjoying a… read more »

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