Determines optimum nitrate value for ideal plant growth or possible cause of algae in freshwater and marine water Laboratory comparator system to compensate any inherent water colouring: fill glass vials with sample water, add reagents to another vial, place vials in holder, read values on colour chart When to use: for setting up a new freshwater aquarium: once a week. For initial setup with marine water: once a week. In case of green algae problems Online Laboratory: free analysis and recommendations for the water values you have measured Package contents: 1 quick test, nitrate test NO3. Contents for approx. 50 measurements, incl. 2 reagents, 2 glass vials with screw caps, syringe, dosing spoon, comparator block and colour scale. Reagent refill separately available
