How to Check pH Level?
Checking pH levels depends on what you're testing. There are several methods, ranging from simple at-home tests to more precise laboratory techniques.
1. pH Test Strips (Litmus Paper & Others)
This is the most common and readily available method for quick pH estimations. Litmus paper, as mentioned in several sources (SimplexHealth, DROP, PHX Water, zazen Alkaline Water), comes in red, blue, and neutral variations and provides a broad indication of acidity or basicity. More sophisticated test strips offer a wider range and more precise pH readings, as seen on Amazon and Amazon India. These are ideal for testing various substances, including saliva, urine (SimplexHealth, Amazon, Amazon India), water (DROP, PHX Water, zazen Alkaline Water), and soil (The Spruce).
- How to use: Dip the strip into the substance; compare the resulting color to the chart provided with the strips.
2. pH Meters
A pH meter provides a more accurate and numerical reading. As mentioned in The Spruce, these are particularly useful for soil testing. For swimming pools, daily pH checks are recommended using a reliable meter to maintain water quality (Better Health Channel).
3. Laboratory Methods (for Blood pH)
Arterial blood gas (ABG) testing (Cleveland Clinic) is a precise laboratory method to determine blood pH, crucial for medical diagnosis. This involves drawing arterial blood for analysis.
Choosing the Right Method
The best method depends on your needs: Quick estimations use test strips; precise measurements require a pH meter or laboratory analysis. For example, a gardener might use a pH meter for soil, while someone monitoring pool water would use test strips or a meter. For medical purposes, a blood test is necessary.