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

ProAquatest O2 Oxygen

ProAqau Test o2 Oxygen

ProAqau Test o2 Oxygen £16.44

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