Understanding the pH Scale and Alkaline Water
The pH scale, which ranges from 0 to 14, measures how acidic or alkaline a substance is. A pH of 7 is neutral. Anything below 7 is acidic, while anything above 7 is considered alkaline. Standard tap water typically has a neutral pH of around 7. Alkaline water, by definition, has a pH level higher than 7, usually falling between 8 and 9.5.
Proponents of alkaline water suggest that consuming it can help neutralize acid in the bloodstream, support metabolism, and improve hydration. It's crucial to understand that homemade alkaline water primarily raises the pH level, unlike naturally sourced alkaline water that contains beneficial minerals. For this reason, starting with clean, filtered water is essential for creating a safe and pure final product.
Popular DIY Methods to Make Alkaline Water
Making alkaline water at home can be done with a few simple ingredients and minimal equipment. These methods offer a way to experiment with alkaline water without investing in expensive machines.
Method 1: The Baking Soda Technique
Baking soda (sodium bicarbonate) has a high alkaline pH of about 9.0 and is a simple, inexpensive way to increase your water's pH.
What you'll need:
- 1/8 teaspoon of baking soda
- 8 ounces of filtered water
Instructions:
- Fill a glass with 8 ounces of clean, filtered water.
- Measure 1/8 teaspoon of baking soda.
- Stir the mixture thoroughly until the baking soda is completely dissolved.
- Drink immediately. Be mindful that baking soda adds sodium, so those on low-sodium diets should monitor their intake.
Method 2: The Lemon Juice Infusion
This method may seem counterintuitive since lemons are acidic, but once metabolized by the body, they produce an alkalizing effect.
What you'll need:
- Half a lemon
- A glass pitcher or jar
- Filtered water
Instructions:
- Squeeze the juice from half a lemon into a pitcher of filtered water.
- For extra flavor, you can also add a few thin lemon slices to the pitcher.
- Let the mixture sit for at least 8 to 12 hours, allowing the water to absorb the minerals and become infused.
- Store in the refrigerator to keep it fresh.
Method 3: Specialized pH Drops
For a more precise and controlled method, pH drops are a convenient option. These concentrated mineral supplements are specifically designed to raise the pH of drinking water.
Instructions:
- Follow the manufacturer's instructions, as the number of drops varies by brand and desired pH level.
- Add the specified number of drops to your glass or bottle of filtered water.
- Shake or stir to mix and enjoy.
Method 4: Mineral Salt Solution
Using mineral salts, particularly Himalayan pink salt, can also contribute to raising the water's pH while adding trace minerals.
What you'll need:
- A pinch of Himalayan pink salt
- A glass of filtered water
Instructions:
- Add a small pinch of mineral salt to a glass of water.
- Stir until the salt dissolves.
- This method adds a distinct taste and provides trace minerals.
Comparison: Homemade vs. Store-Bought Alkaline Water
| Feature | Homemade Alkaline Water | Store-Bought Alkaline Water | 
|---|---|---|
| Cost | Very low (baking soda, lemon) to moderate (filters, drops) | High (bottled water, ionizers) | 
| Control | High; you control the ingredients and concentration | Low; depends on the brand's process | 
| Mineral Content | Varies greatly; depends on method used (e.g., mineral salt) | Often includes added minerals like calcium and magnesium for alkalinity | 
| Purity | Depends on the quality of your source water and filtration | Often includes advanced filtration and purification processes | 
| Convenience | Requires preparation and time, though drops are faster | Highly convenient; grab-and-go | 
| Effectiveness | Primarily raises pH; mineral content is variable | Provides controlled pH and mineral balance, though claims are debated | 
How to Test and Ensure Safety
Before and after making alkaline water, you can test its pH level to ensure it is in the desired range of 8 to 9.5. This can be done using pH test strips or a digital pH meter, both of which are widely available.
While alkaline water is generally considered safe for consumption, there are some important considerations:
- Kidney Function: Individuals with kidney conditions should consult their healthcare provider before drinking alkaline water regularly, as their kidneys might have trouble regulating pH.
- Digestive Impact: Excessive consumption of strongly alkaline water (above 9.8 pH) might interfere with natural stomach acid production, which is crucial for digestion. It's recommended to drink it away from meals to minimize this effect.
- Mineral Depletion: Some evidence suggests that unnaturally high pH levels over a prolonged period could potentially interfere with nutrient absorption, though more research is needed.
The Verdict on Homemade Alkaline Water
Making your own alkaline water is an accessible and affordable way to explore this popular trend. Whether you opt for a simple pinch of baking soda or a refreshing lemon infusion, it's a practice that puts you in control of your hydration.
While anecdotal evidence and some preliminary studies point to potential benefits like enhanced hydration and support for certain digestive issues, the broader scientific community remains cautious about the extensive health claims. A balanced diet and consulting with a healthcare professional are always the best foundation for a healthy lifestyle.
For more information on the health aspects, consider reading this report from Healthline: Alkaline Water: Benefits, Side Effects, and Dangers.