Proaqua Test JBL Refill pH 7.4-9.0

Determines the ideal pH value in fresh and marine water.
Laboratory comparator system to compensate the inherent water colour: fill plastic cuvette with sample water, add reagent to a cuvette, place cuvettes in holder, read values off colour chart When to use: for setting up a new aquarium: daily for one week, afterwards weekly.
You will find detailed information and troubleshooting tips about water analysis on the JBL website in Essentials/Aquarium or Pond.
Package contents: 1 quick test, pH test 7.4-9.0 for approx. 80 measurements.
Incl. reagent, 2 glass vials with screw caps, syringe, comparator block and colour scale.
Reagent refill separately available.