Water Test Kits

Tests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH).Helps prevent fish stress caused by rapid pH...

Enables user to adjust pH levels as required & includes 1.25 oz bottles of pH Up, pH Down, and pH Indicator Solution. Tests the pH of wat...

FRITZ LIQUID TEST KITS - WIDE RANGE PH TEST KIT - Testing the pH of aquarium water regularly to make proper adjustments is crucial to keep fish, pl...

Calcium is one of the most important elements in a reef aquarium. Reef invertebrates, such as corals, crustaceans, mollusks, and even some type of ...

The API® POND MASTER TEST KIT measures the most important levels in your pond quickly and accurately, including pH, ammonia, nitrite, and phosphate...

The API® COPPER TEST KIT allows you to easily and accurately monitor copper levels to maintain copper-based fish treatments at therapeutic le...

API® 5-IN-1 TEST STRIPS are the quick and easy way to test the 5 most important aquarium water parameters – pH, KH, GH, nitrate, and nitrit...

Salicylate test measures ammonia levels in both fresh & saltwater aquariums. Ammonia, the #1 killer of tropical fish, is continually prod...

Tests for nitrite in freshwater & saltwater aquariums. Nitrite, toxic to fish, is produced by nitrifying bacteria in the biological filte...

API Ammo-Lock ammonia detoxifier is proven to convert poisonous ammonia into a non-toxic form. Ammo-Lock ammonia detoxifier works instantly ...

API Ammo-Lock ammonia detoxifier is proven to convert poisonous ammonia into a non-toxic form. Ammo-Lock ammonia detoxifier works instan...

API Ammo-Lock ammonia detoxifier is proven to convert poisonous ammonia into a non-toxic form. Ammo-Lock ammonia detoxifier works instan...

Effective for both fresh & saltwater aquariums. High levels of nitrate are a food source for unwanted algae & indicate poor water qua...

Use to measure pH changes in marine aquariums, aquariums with African chchlids, and very alkaline tap water. Reads the pH of water within the...

FRITZ LIQUID TEST KITS - AMMONIA TEST KIT - Ammonia is one of the most important parameters to monitor in aquariums because any amount can be toxic...

FRITZ LIQUID TEST KITS - NITRITE TEST KIT - Nitrite is produced continually during the ammonia cycle by nitrifying bacteria in the biological filte...

FRITZ LIQUID TEST KITS - NITRATE TEST KIT - While not directly a problem for fish at low levels, excess nitrates can cause stress and other water q...

The API® REEF MASTER TEST KIT test 4 key parameters – calcium, carbonate hardness, phosphate, and nitrate – to keep reef inhabitants healthy...

FRITZ LIQUID TEST KITS - COPPER TEST KIT - It is crucial to closely monitor copper used in aquariums to ensure the correct dose has been applied, e...

FRITZ LIQUID TEST KIT - PHOSPHATE TEST KIT - Excess nutrients can lead to poor water quality very quickly. If not controlled, phosphate (PO4) can r...

FRITZ LIQUID TEST KIT - ALKALINITY TEST KIT - The KH value of your water is important to know, as the carbonate hardness plays a significant role i...

FRITZ LIQUID TEST KIT - GH TEST KIT - General hardness (GH) is commonly overlooked in many aquariums, but this parameter plays a very important rol...

FRITZ LIQUID TEST KIT - CALCIUM TEST KIT - In saltwater aquariums, calcium should remain in the proper ionic balance along with alkalinity (KH) and...

Reef Foundation Pro is an high accuracy (+/- 2.5ppm) titration Multi Test kit (Ca - 75 tests Alk - 75 testsMg - 60 tests) which enable accurate dos...