Tamara Marshall
Active member


โ๐๐ง๐๐๐ซ๐ฌ๐ญ๐๐ง๐๐ข๐ง๐ ๐๐ฑ๐ข๐๐๐ญ๐ข๐จ๐ง-๐๐๐๐ฎ๐๐ญ๐ข๐จ๐ง ๐๐จ๐ญ๐๐ง๐ญ๐ข๐๐ฅ (๐๐๐): ๐ ๐ซ๐จ๐ฆ ๐๐๐ ๐ข๐ง๐ง๐๐ซ ๐ญ๐จ ๐๐๐ฏ๐๐ง๐๐๐โ
If youโve ever seen ORP mentioned in reefing forums or on your aquarium controller and wondered, โWhat exactly does this number mean?โ, youโre not alone. ORP (Oxidation-Reduction Potential) is one of the most misunderstood yet powerful water quality indicators in saltwater aquariums. It provides valuable insight into your tankโs overall health, water cleanliness, and the balance between oxidation and reduction processes.
In this guide, we break down ORP in simple terms and then dive deeper into advanced applications. Whether youโre a beginner curious about what ORP readings actually mean, or an advanced aquarist fine-tuning ozone use, this article has you covered.

โข What ORP is and why it matters for saltwater aquariums
โข How to interpret ORP readings at different levels
โข The role of ozone and other advanced tools in managing ORP
โข Practical tips for maintaining a stable, healthy ORP range
By the end, youโll not only understand ORPโyouโll know how to use it as a powerful tool to keep your reef tank thriving.
