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Silicate (SiO3) supports the growth of diatoms in marine and freshwater aquariums. The sera silicate-Test allows monitoring the silicate level reliably and easily.
14,08 € *
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.
14,58 € *
Makes it easy to monitor the pH value in fresh and marine water and ponds. For approx. 100 measurements.
10,67 € *
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.
14,48 € *
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.
12,78 € *
Nitrate (NO3) is an indicator for severe organic pollution. Sufficient for approx. 60 measurements.
13,98 € *
Makes it easy to monitor the ammonium/ammonia level in fresh and marine water
13,88 € *
Makes it easy to monitor the carbonate hardness in fresh and salt water. For approx. 390°dKH.
10,67 € *
Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron.
14,38 € *
For approx. 420°dGH.
10,67 € *