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Hiermit ist CO2 immer im grünen Bereich. Simple und exakte Kontrolle des CO2-Gehalts im Aquarium.
19,18 € *
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.
14,68 € *
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 € *
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 € *
Permanent CO2 monitoring. CO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences.
14,58 € *
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 € *
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 € *
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 € *
The very sensitive and accurate Easy-Life Phosphate testkit is suitable for fresh water and marine aquariums.
12,98 € *