Proaqua Test JBL Refill Po4

Laboratory comparator system to compensate the inherent water colour: fill glass vials with sample water, add reagents to a vial, place vials in holder, read values off colour chart.
Use: when setting up a new freshwater or marine aquarium: once a week.
With algae problems and for checking tap water.
You will find detailed information and troubleshooting tips about water analysis on the JBL website in Essentials/Aquarium or Pond.
Package contents: 1 test kit 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.