Tetra Test O2 Measures the oxygen value reliably and precisely for all freshwater and marine aquarium (about 25 times)
Salifert Ammonia (NH3) Test Kit - Premium liquid test kit for precise Ammonia (NH3) measurement in aquariums (50 Tests)
BOYU BT-01 - Mercury Thermometer with Sucker (Water Temperature Measurement) for Aquarium Tank 0-40C
WarmTone Salinity hydrometer WT-11
Tetra Test NO2 Measures the nitrite value reliably and precisely
Tetra Test NH3/NH4+ Measures the total ammonia value reliably and precisely
Salifert Nitrite (No2) Test Kit - Premium liquid test kit for precise nitrite measurement in aquariums (60 Tests)
Salifert Carbonate Hardness (Kh/Alk) Test Kit - Premium liquid test kit for precise nitrate measurement in aquariums (60 Tests)
Tetra Test pH Measures the pH value reliably and precisely
Salifert Nitrate (No3) Test Kit - Premium liquid test kit for precise nitrate measurement in aquariums (60 Tests)
Deep Six Hydrometer
Salifert Wateranalysis Calcium (Ca)