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Maintaining the proper pH balance in your garden or hydroponic system is essential for healthy plant growth.
While there are many commercial pH adjusters available, you may be surprised to learn that there are also several household items and organic ingredients that can work just as well.
In this article, we will explore some of these natural pH adjusters and provide tips on how to use them effectively.
(or, if you prefer, head over to our guide to adjusting soil pH in your garden instead)
About Natural pH Adjusters for Soil and Hydroponic Water
Natural pH adjusters for soil and water are substances that can be used to adjust the pH level of soil or water to an optimal range for plant growth or other specific purposes.
The pH level of soil or water is an important factor for the growth and development of plants.
Most plants grow best in soil or water with a pH level between 6.0 and 7.5. If the pH level is too high or too low, it can affect the availability of nutrients in the soil or water, which can impact plant growth.
7 Natural pH Adjusters You Have at Home
Using household items and organic ingredients as natural pH adjusters not only saves money but also promotes sustainability practices while ensuring healthy plant growth!
Let’s take a look at 5 natural pH adjusters you may have at home right now:
Vinegar
White vinegar is an acidic solution that can be used to lower the pH level in soil or water-based systems.
How to use: Mix one tablespoon of vinegar per gallon of water and test the pH level before adding more.
Baking Soda
Baking soda is a basic solution that can be used to raise the pH level in soil or water-based systems.
How to use: Mix one tablespoon of baking soda per gallon of water and test the pH level before adding more.
Lemon Juice
Lemon juice is another acidic solution that can be used to lower the pH level in soil or water-based systems.
How to use: Squeeze fresh lemon juice into a container and dilute with water until you reach the desired acidity level.
Epsom Salt
Epsom salt is a natural mineral compound that can help adjust the pH level in soil-based systems by making it more alkaline.
How to use: Dissolve 1 to 2 tablespoons of Epsom salt in a gallon of water and apply directly to the soil.
Wood Ash
Wood ash contains high levels of potassium carbonate, which makes it an effective natural alkaline agent for adjusting soil pH levels up.
How to use: Sprinkle wood ash onto your garden beds or mix it into compost before applying.
Lime
Lime is one of the most common and widely used natural pH adjusters for soil. It is added to soil to raise the pH level and make it less acidic. Lime is made from crushed limestone or chalk and is rich in calcium carbonate.
How to use: apply it evenly over the soil surface and mix it well, following the recommended application rates based on soil type and pH level.
Sulfur
Sulfur is another commonly used natural pH adjuster for soil. It is used to lower the pH level of soil and make it more acidic. Sulfur is often used in soil that is too alkaline or has a high pH level.
How to use: apply it evenly over the soil surface and mix it well, following the recommended application rates based on soil type and pH level.
Tips for Using Natural pH Adjusters
- Always test your soil or water first before adding any adjustments.
- Start with small amounts when adjusting your pH levels.
- Be patient when adjusting your levels as it can take time for changes to take effect.
- Keep track of how much adjustment you add so you can replicate it later if needed.
- Use protective gear such as gloves and goggles when handling concentrated solutions.
FAQs
How often should I check my plants’ pH levels?
It’s recommended to check your plants’ pH levels weekly, especially during periods of high growth. That said, for hydroponic growing systems, checking daily is suggested.
Can I use these natural remedies for hydroponic gardening?
Yes, all these remedies are safe to use for hydroponic gardening too! In fact, many of them are much safer and more effective than other store-bought pH adjusters.
How do I know what my ideal range should be?
Different plants have different ideal ranges, but most prefer a slightly acidic range between 6 to 7pH. If you grow more of one crop than others, do your research and adjust the pH accordingly.
Final Thoughts About Using Natural pH Remedies You Have at Home
It is important to note that the use of natural pH adjusters should be done carefully and in moderation. Also, it is recommended to test the pH level of the soil or water before and after adding any natural pH adjusters to ensure that the desired pH level is reached without causing any harm to plants or aquatic life.
Do you know of a natural ingredient found in most households that works well for lowering or raising pH levels in soil or hydroponic water (that isn’t already mentioned in our list)? If so, we’d love to see your comment, below. Thanks for reading!
Suggested reading: 24 Organic Pest DIY Pest Control Methods for Gardens
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