JBL ProAqua O2 Test

Quick test to determine the oxygen content in freshwater/marine aquariums and ponds
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