Fermented Rice Water: Stronger, Longer-Lasting Organic Fertilizer for Northern Iloilo & Estancia For Home Gardeners of Northern Iloilo and Estancia

In our warm, humid climate here in Northern Iloilo and Estancia, fermentation happens easily and quickly. This guide explains what it is, how to make it safely, and how to use it to get even better results in your garden.

What Is Fermented Rice Water?

Fermented rice water is made by letting fresh washing or soaking rice water sit undisturbed for 12 to 24 hours at room temperature. During this process:

• Natural beneficial bacteria and yeast multiply rapidly
• Complex starches break down into simple nutrients that plants can absorb faster
• The pH level drops slightly, making it better suited for most local soils
• It develops a mild, sour smell — this is normal and a sign that fermentation is working well

How to Make It Safely (Step-by-Step)

Important rule: Use only plain rice water — no salt, oil, spices, soap, or any other additives.

Ingredients & Tools Needed

• 1 cup uncooked rice (any local variety works fine)
• 3 to 4 cups clean water
• Clean glass jar or food-grade plastic container
• Clean cloth or paper cover (do not seal tightly at first)

Preparation Steps

1. First rinse: Put rice in a bowl, add water, swirl gently, then discard this first water — it removes dust, dirt, and surface impurities.
2. Second soak: Add fresh, clean water just enough to cover the rice. Let it soak for 20 to 30 minutes, then strain the milky water into your container.
3. Ferment: Cover the container loosely so air can flow but dust stays out. Leave it in a cool, shaded spot away from direct sunlight for 12 to 24 hours.
   • In Estancia’s warm weather, it will be ready in as little as 12 hours
   • You will know it is done when it smells slightly sour, similar to mild vinegar or fermented fish sauce
4. Store: Once fermented, close the lid tightly. Keep it in a cool place or refrigerator. It stays good for 3 to 5 days.

Correct Dilution & Application

Fermented rice water is much stronger than fresh rice water — never use it full strength, or it may burn roots or make soil too acidic over time.

How to Apply Properly

• Pour only onto the soil, not on leaves or stems — this prevents mold and leaf spots in our humid climate
• Best time to apply: Early morning or late afternoon, when the sun is not too hot
• Water slowly until the soil is moist, but never soggy
• Use it as a supplement — always give plain water on days in between

Best Uses for Local Gardens

In Northern Iloilo and Estancia, this works especially well for the crops we commonly grow:

• Leafy vegetables: Pechay, mustard, kangkong, lettuce — grows bigger, greener, and more tender
• Fruit-bearing plants: Tomato, eggplant, chili, okra — improves flowering and helps produce more fruits
• Root crops: Radish, ginger, sweet potato — supports strong root development
• Ornamentals: Potted flowers and shrubs — makes foliage brighter and plants more resistant to stress

Common Mistakes to Avoid

Conclusion

Fermented rice water is a simple, traditional, and science-backed upgrade from fresh rice water. It is more concentrated, works longer, and actively improves soil health over time. For gardeners in Northern Iloilo and Estancia, it turns ordinary kitchen waste into a valuable resource — helping us grow healthier plants, save money, and keep our gardens sustainable and chemical-free.