pH Test indicator.
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Our pH Test indicator is perfect for easy testing. It covers a wide range, going from 4.0 to 8.5. Simply fill the test-tube halfway with nutrient solution, add 3 drops of pH Test Indicator, shake and observe the resulting color. Compare with our color chart to check your pH level.
Very reliable, simple to use and cheap, the pH Test Kit advantageously replaces the expensive pH meters.
Specific References
pH Test indicator.
