GHE pH Test Kit
The GHE indicator pH Test kit is perfect for testing the pH of your water . It covers a wide range, from 4.0 to 8.5. First, fill the test tube halfway with nutrient solution. Second, add 2 drops of pH test indicator. finally, shake bottle and observe the resulting color. Compare with color chart on bottle to check your pH level.
A liquid pH indicator is the most reliable and economical way to check your waters pH level. With a liquid pH test indicator, you can also regularly validate the accuracy of your pH meter. Just to make sure it is working properly.
Remember, it only takes a few hours to kill a crop if your digital meter gives you an incorrect reading !!
Good for at least 500 tests
Not recommended for thick / gloopy nutrients as the colour will be incorrect and confusing, as you must test your water after you have added your nutrients as some nutrients raise or drop the pH of the water !!!
WATCH A VIDEO ON HOW TO USE THE GHE pH TEST KIT
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