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Home » Aquarium Supplies » Water Testing » 155 items found
Aquarium Supplies

Water Test Kits

Using test kits to detect problematic water conditions is key to the sustainability of a healthy aquarium. For a fish-only tank, you should measure and monitor pH, alkalinity, ammonia, nitrite, and nitrate levels. In addition to these, you should also monitor the calcium, magnesium and strontium levels in a reef aquarium.
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Search Suggestions: refractometer | salifert | hydrometer | mini lab | hanna | test | temperature controller | nitrate | magnesium | phosphate reactors
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Marine Depot Aquarium Refractometer
Marine Depot Aquarium Refractometer
Our Price: $49.99
Salifert KH/Alkalinity Test Kit
Salifert KH/Alkalinity Test Kit
Our Price: $14.99
Salifert Calcium Test Kit
Salifert Calcium Test Kit
Our Price: $25.99
Aquarium Pharmaceuticals Saltwater Calcium Test Kit
Aquarium Pharmaceuticals Saltwater Calcium Test Kit
Our Price: $7.49
Salifert Magnesium Test Kit
Salifert Magnesium Test Kit
Our Price: $26.99
Elos Aqua Test Kit - Magnesium
Elos Aqua Test Kit - Magnesium
Our Price: $27.99
Elos Aqua Test Kit - Carbonate Hardness
Elos Aqua Test Kit - Carbonate Hardness
Our Price: $17.99
Aquarium Pharmaceuticals Reef Master Test Kit
Aquarium Pharmaceuticals Reef Master Test Kit
Our Price: $27.99
Aquarium Pharmaceuticals Freshwater/Saltwater Carbonate Hardness (KH) Test Kit
Aquarium Pharmaceuticals Freshwater/Saltwater Carbonate Hardness (KH) Test Kit
Our Price: $6.29
Elos Aqua Test Kit - Calcium
Elos Aqua Test Kit - Calcium
Our Price: $29.99
Aquarium Pharmaceuticals Saltwater Liquid Master Test Kit
Aquarium Pharmaceuticals Saltwater Liquid Master Test Kit
Our Price: $22.99
Seachem Ammonia Alert
Seachem Ammonia Alert
Our Price: $6.49
Salifert Nitrate Test Kit
Salifert Nitrate Test Kit
Our Price: $19.99
Captive Purity Refractometer
Captive Purity Refractometer
$69.99 to $119.99
Salifert Phosphate Test Kit
Salifert Phosphate Test Kit
Our Price: $19.49
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