JBL Pro AquaTest O2 Oxygen REFILL

To determine the current oxygen content and as a result indicate whether measures to increase the O2 content need to be taken

Quick test to monitor the aeration: fill glass vial with sample water, add reagent, read sample value off colour chart

When to use: once a week in newly set up aquariums and if there are signs of oxygen deficiency. Clear colour indication from yellow to wine-red

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. Contents for approx. 40 measurements. Incl. 3 reagents, syringe, glass vial with screw cap and colour chart. Reagent refill separately available