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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.
14,95 € 10,22 € *
For approx. 420°dGH.
8,29 € 6,35 € *
Makes it easy to monitor the carbonate hardness in fresh and salt water. For approx. 390°dKH.
8,29 € 5,33 € *
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.
12,09 € 8,75 € *
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.
15,49 € 10,89 € *
Karbonathärte Tropfentest (KH) für Süß- und Meerwasser, ca. 100 Bestimmungen.
60,70 € 58,71 € *
Nitrate (NO3) is an indicator for severe organic pollution. Sufficient for approx. 60 measurements.
14,49 € 10,23 € *
Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron.
15,29 € 10,76 € *
Copper (Cu) is very toxic especially for invertebrates such as shrimps and crustaceans, but fish also react very sensitively to elevated copper levels. Sufficient for approx. 50 measurements.
15,59 € 10,92 € *
Makes it easy to monitor the ammonium/ammonia level in fresh and marine water
15,59 € 11,09 € *