JBL PROAQUATEST pH 7.4 9.0 REFILL

Simple monitoring of the water values in ponds and aquariums. Determines the perfect pH value in fresh and marine water Laboratory comparator system to compensate inherent water colouring: read off sample water & reagent on chart in holder When to use: daily for one week in newly set up aquariums, afterwards weekly Find detailed information & troubleshooting tips about water analysis on the JBL website in Essentials/Aquarium or Pond Contents: quick test with 1 reagent, approx. 80 measurements, incl. glass vials, syringe, comparator block, colour chart