Sera
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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).
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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.
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This test monitors the calcium level easily and precisely in steps of 20 mg/l (ppm).
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This test monitors the calcium level easily and precisely in steps of 20 mg/l (ppm).
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High performance filter medium for mechanical filtration
The innovative, patented 3D fiber structure of sera crystal clear Professional very quickly removes even smallest particles above 10 µm (such as floating algae or sludge).
Unlike common filter wool, the filter balls keep their shape and can be washed out several times. They are 80% reusable after washing out.
The high performance filter medium is suitable for both freshwater and marine aquariums and all filter types. The biological filter medium sera siporax Professional is the perfect addition to sera crystal clear Professional.
#4451, #32075
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The herbal food consisting of floating flakes
Product #00640, 00650, 00670
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Makes it easy to monitor the total hardness
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Staple food for smaller carnivorous cichlids
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Makes it easy to monitor the carbonate hardness in fresh and salt water
#4210
