A mauve bottle labeled ARBER Bio Fungicide for indoor and outdoor use, designed to control or suppress fungal and bacterial plant diseases. The bottle has white text and a minimalist floral graphic. A mauve plastic bottle labeled ARBER Bio Fungicide with product details and usage instructions printed on the front, featuring an OMRI Listed logo near the bottom. A purple bottle labeled Arber Bio Fungicide sits in a wooden box with gardening tools and flowers, partially lit by sunlight. A person pours liquid from a pink ARBER bottle into a small metal cup, with blooming lavender plants in the background. A purple ARBER bottle stands on a block beside purple tomatoes, garden shears, a beige watering can, and a plant with dark leaves in soil, set against a light background.
A mauve bottle labeled ARBER Bio Fungicide for indoor and outdoor use, designed to control or suppress fungal and bacterial plant diseases. The bottle has white text and a minimalist floral graphic.

Arber Bio Fungicide Indoor/Outdoor Concentrate

16 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • OMRI certified for organic gardening.
  • Ideal for indoor and outdoor plants.
  • Helps control and prevent common plant diseases.
Purchase options

Bio Fungicide Indoor/Outdoor Concentrate $24.99

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

Control challenging diseases longer with this uniquely formulated Bio Fungicide. Protects against fungus, mold, mildew and rot using Mother Nature’s good bacteria. Say goodbye to disease on your leaves and in your soil and say hello to stronger plants.

Active Ingredients:
Bacillus amyloliquefaciens strain F727* cells
and spent fermentation media………....96.4%
Other Ingredients………………………..3.6%
Total…………….………………………….100%
*Contains a minimum of 1x109 cfu/mL of product

For optimal results use in your regular watering cycle. Also ideal for: transplants, potting mixes, as a rooting compound, in hydroponics.

MIX
Shake Bottle + Mix 0.25oz. Arber Concentrate with 32oz. of water or 1 oz of it for every 1 Gallon of water

APPLY
Apply directly to soil or apply to leaves for plant foliar diseases
Apply every 10-14 days for wellness and every 7-10 days for disease control
Do not allow mixture to sit for prolonged periods of time (Mix a new batch for every use)

Grove Values

Gardening tools, tomatoes, soil, two sprouting plants, a gardening fork, cork plant markers, Rosy Soil bag, ARBER plant food, ARBER insecticide, and Root Cut Flower Food on a green background.
3,000+ BANNED INGREDIENTS

For a healthier garden and planet.

From sprays to soil supplements, every product is vetted to meet strict ingredient and material standards —  minimizing concerning chemicals and helping reduce outdoor plastic pollution.

A small potted cactus sits next to a red and yellow bag of Rosy Soil Cactus & Succulent Mix, displayed on a light green circular background.

No unwanted additives

Made without synthetic pesticides, phosphates, or petrochemical surfactants

A green bag of Spade + Fork Organic All Purpose Fertilizer sits upright on a light green circular background, with product details and usage suggestions visible on the packaging.

Vetted for materials that matter

Reviewed for ingredient and material choices that align with Grove’s standards

A green tube labeled Murphys Naturals Mosquito Repellent Incense lies open with incense sticks partially out. Another closed tube stands in the background, all on a light green circular background.

Less plastic, fewer microplastics

Reduced-plastic options and tools that limit outdoor plastic and microplastic exposure

A close-up of a human fingertip with colorful microplastic particles on the skin, and images of a plastic bag, bottle, and six-pack ring layered in the corner, highlighting plastic pollution.

Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog