Bionova pH +  is a 24.5% potassium hydroxide solution. It is crucial to check the pH value of the water / nutrient solution with which we feed the plants. In fact, these absorb nutrients in the right quantities only when they are administered at the right pH value. If it is too high or too low, the plants will not absorb all the nutrients they need.
 
Potassium hydroxide - Concentration 1: 3000 - NPK 0-0-0

Increases the pH level of
Potassium Hydroxide to 24.5%. This product is used to correct and increase the pH of the nutrient