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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.
14,88 € *
For approx. 420°dGH.
10,28 € *
Makes it easy to monitor the carbonate hardness in fresh and salt water. For approx. 390°dKH.
10,28 € *
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.
12,28 € *
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.
14,08 € *
Nitrate (NO3) is an indicator for severe organic pollution. Sufficient for approx. 60 measurements.
13,58 € *
Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron.
13,98 € *
Makes it easy to monitor the ammonium/ammonia level in fresh and marine water
13,38 € *
Permanent CO2 monitoring. CO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences.
14,08 € *
Permanent CO2 monitoring. CO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences.
9,38 € *