Canna pH Minus Pro Bloom (59%) 1L

£13.95

The pH scale is logarithmic, which means that each unit of change equals a tenfold change in the concentration of hydrogen or hydroxide ions. To put this another way, a pH 6.0 solution is 10 times more acidic than a pH 7.0 solution, and a pH 5.0 solution would be 10 times more acidic than the pH 6.0 solution and 100 times more acidic than the pH 7.0 solution. This means that if you want to adjust the pH of your nutrient solution by 2 points (for example from 7.5 to 5.5), you would have to use 10 times more adjuster than if you were moving the pH value just 1 point (7.5 to 6.5).