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Easy to use and accurate test kit for measuring the NO3 - nitrate level of water in your aquarium.
To know the NO3 concentration is very important and useful cause if:
- too low: corals will stop to grow and starve to even death
- too high: can trigger the unwanted nuisance algae-growth
ReefCentral.eu advice: Optimal range of NO3 is between 2 to 10 ppm (mg/l), depends on what type of corals you keep or dominant in your reef tank
