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 2 – 3 drops of pH Test Indicator, shake and observe the resulting color. Compare with our color chart to check your pH level
![PH TEST KIT 30 ml - GENERAL HIDROPONICS 1 PH TEST KIT 30 ml - GENERAL HIDROPONICS](https://agroponix.com/wp-content/uploads/2020/08/lr_fgh3136_ph_test_kit_30_ml_-_general_hidroponics-1.jpg)
Reviews
There are no reviews yet.