Although not mandatory, we recommend testing the pH value of your nutrient solution from time to time, especially when mixing for the first time. This is to be on the safe side in case your tap water has a pH value that is clearly too high or too low. "Measure pH" is a simple and inexpensive solution: 

  • Mix two drops in the test tube with nutrient solution. Determine the PH value based on the color
  • Inexpensive option for pH measurement 
  • Measuring range from pH 4 to pH 10 
  • Sufficient for up to 500 measurements 


  • Pour the nutrient solution into the test tube. 
  • Add two drops of "Measure pH". 
  • Match the color with the label. 
  • Determine pH value. 

The Bonsanto hydro-concentrate kit for the nutrient solution does not necessarily require a pH measurement, as our nutrient solutions X & Y have been developed accordingly. However, to be on the safe side, we recommend two to three tests during the course of your cultivation, especially at the beginning when you mix your nutrient solution for the first time. Ideally, the pH value of your nutrient solution should be between 5.5 and 6.5 when you first mix it. 

If the pH value based on your tap water is above 6.5, mix 1.2 to 1.5 ml of neutral pH into your nutrient solution instead of 1 ml. 

If your tap water with X & Y concentrate has a pH value of less than 5.5, add a little less neutral pH to your nutrient solution. So instead of 1 ml, add 0.7 or 0.8 ml. 

Additional information
Weight 0,5 kg

PH Measurement, PH Measurement incl. test tube

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