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The sera NH4/NH3-Test allows monitoring the total concentration of both (the actual ammonia level can be calculated according to the pH value the using the included chart).
Water testing for experienced marine aquarists
Experienced marine aquarists check their aquarium water regularly. This allows taking care of problems before they become dangerous for the sensitive animals.
This test monitors the calcium level easily and precisely in steps of 20 mg/l (ppm).
Makes it easy to monitor the total hardness
Staple food for smaller carnivorous cichlids
Makes it easy to monitor the carbonate hardness in fresh and salt water
Water testing for experienced pond keepers
Experienced pond keepers check their pond water regularly. This allows taking measures, for instance against algae, quickly and easily, without the need to use chemicals.
Color food for colorful, lively Koi between 12 and 25 cm (5 – 10 in.)