These cost effective and easy to use pH test give a quick reading of the pH of your nutrient solution. The VitaLink ESSENTIALS pH Test Indicator, Narrow Spectrum and VitaLink ESSENTIALS pH Test Wide Spectrum. in turn, change colour in response to different pH values.
Fill the plastic vial with a small amount of your nutrient mix. Add a few drops of the pH test Indicator liquid. Compare the resulting colour to the chart given and read the estimated pH.
Although, not as accurate as using a pH meter to check your nutrient mix. This kit is a quick, precise and cost efficient. It is also ideal as a backup solution in the case your pH meter should stop working.
The VitaLink ESSENTIALS pH Test Indicator – Narrow Spectrum measures between pH 5.6 and 7.4 in increments of 0.2.
The VitaLink ESSENTIALS pH Test Indicator – Wide Spectrum measures between 4.0 and 8.5 in increments of 0.5.
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