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Fish Tank Supplies > Fish Tank Testing Equipment > Fish Tank Test Kit

Aquarium Testing Kits

Conditions in aquarium water naturally change over time, so use aquarium test kits regularly to make sure they are healthy and stable. Master test kits include essential tests for your aquarium type - pH, hardness, ammonia, nitrite, nitrate and oxygen should be monitored in all aquariums. You may need the other test kits below during water preparation, tank setup, if medicating or experiencing excessive algae, or when keeping a planted or reef aquarium. We also carry electronic monitors to test pH, ORP and salinity.

Shop by brand or aquarium test kit type - refills and calibrators are with corresponding tests.

Shop by Type

Shop By Brand

Master Test Kits

pH/Alkalinity Test Kits

GH & KH (Hardness) Test Kits

Ammonia, Nitrite & Nitrate Test Kits

Reef Trace Elements Test Kits

Copper Test Kits

Phosphate & Silicate Test Kits

Carbon Dioxide & Iron Test Kits

Electronic Monitors and Controllers

Shop by Featured Products

Ammonia Alert
Regular Price: $6.54

Replacement Test Tubes w/Caps 24 pk
Regular Price: $16.95

Freshwater Master Test Kit
Regular Price: $24.99

5 in 1 Aquarium Test Strips - 25 Strips
Regular Price: $8.83

Reef Master Test Kit
Regular Price: $24.99

Phosphate Low Range Photometer
Regular Price: $207.60

pH Meter with 2 Point Manual Calibration
Regular Price: $88.94

pH and CO2 Controller with Select Set Point
Regular Price: $135.46

Double Junction pH Electrode
Regular Price: $52.01

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