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For approx. 420°dGH.
5,68 € *
Makes it easy to monitor the carbonate hardness in fresh and salt water. For approx. 390°dKH.
5,68 € *
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.
7,68 € *
Both fish waste and feeding are possible causes for phosphate introduction into the water. A part is taken up as a nutrient by plants, an excess, however, provides nutrition for unwanted algae.
9,48 € *
Nitrate (NO3) is an indicator for severe organic pollution. Sufficient for approx. 60 measurements.
8,98 € *
Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron.
9,38 € *
Makes it easy to monitor the ammonium/ammonia level in fresh and marine water
9,67 € *
Permanent CO2 monitoring. CO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences.
11,38 € *
Permanent CO2 monitoring. CO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences.
5,58 € *
This test monitors the calcium level easily and precisely in steps of 20 mg/l (ppm). For approx. 7.500 mg (ppm) calcium.
8,78 € *
The sera O2-Test monitors the actual oxygen level in the water within minutes and allows for acting in time. Sufficient for approx. 60 measurements.
9,38 € *
Für genaue Messungen des Nitrat- Gehaltes in Süß- und Meerwasser. Hohe Reichweite und Langzeitstabilität.
18,98 € *
Zur exaxten und zuverlässigen Bestimmung des Kohlendioxidwertes in allen Süßwasseraquarien. Hohe Reichweite und gute Langzeitstabilität.
7,68 € *
Dauertest für die fortlaufende Messung des CO2 Gehalts im Süßwasseraquarium.
5,99 € *
The very sensitive and accurate Easy-Life Phosphate testkit is suitable for fresh water and marine aquariums.
8,78 € *
CO2-Langzeittest Correct Nachfüllpackung. Mit Sechsfarb-Vergleichsskala. Reicht für 5 Monate. Inhalt: 5 Ampullen à 1,3 ml.
7,98 € *
Silicate (SiO3) supports the growth of diatoms in marine and freshwater aquariums. The sera silicate-Test allows monitoring the silicate level reliably and easily.
10,38 € *