Potassium: at least as important as iron in a planted aquarium! Potassium is a macronutrient and at least as important as iron for a good and healthy plant growth in a fresh water aquarium.
9,52 € *
Makes it easy to monitor the carbonate hardness in fresh and salt water. For approx. 390°dKH.
4,90 € *
Nitrite (NO2) is among the most toxic substances for fish in aquariums. It can enrich in the water in case of insufficient biological filtration. Sufficient for approx. 75 measurements.
6,69 € *
The very sensitive and accurate Easy-Life Phosphate testkit is suitable for fresh water and marine aquariums.
8,39 € *
Indikatoren für den Söll AQUA-CHECK. Zur Messung des Nitrit Gehalts in Süßwasser, Meerwasser, Gartenteich. Nur zusammen mit dem Söll AQUA-CHECK Gerät verwendbar.
31,55 € *