API Replacement Test Tubes
API TEST TUBES are compatible with any aquarium or pond water test kits and are perfect for testing more water parameters at one time.
**Price for 1 test tube
API TEST TUBES are compatible with any aquarium or pond water test kits and are perfect for testing more water parameters at one time.
**Price for 1 test tube
NT Labs Test Hardness (GH / KH) is an aquarium water testing kit used to measure General Hardness (GH) and Carbonate Hardness (KH) levels i...
View full detailsNT Labs Test Nitrite (NO2) is an aquarium water testing kit used to measure nitrite (NO₂) levels in freshwater or marine tanks. What is nit...
View full detailsNT Labs Test Nitrate (NO3) is an aquarium water testing kit used to measure nitrate (NO₃) levels in freshwater or marine tanks. What is nitrate?Ni...
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When to use?The key to successful fish keeping is excellent water quality. The Aquarium Water Mini tests three water parameters: pH, Nitrite and A...
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When to use?The key to successful fish keeping is excellent water quality. The Aquarium Water Mini tests three water parameters: pH, Nitrite and A...
View full details