An abbreviated version of the AM-41 model. This kit offers tests for pH and three key nutrient factors: nitrogen, phosphorus and potassium.
It enables you to maintain proper nutrient balance between the three major nutrients and to achieve optimum growing conditions in soil-less cultures and in sandy soils.
|Octa-Slide Comparator Tests|
|Nitrate Nitrogen||5-200 ppm*|
|Direct Reading Turbidity Tube|