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Keeping a Saltwater Aquarium in perfect running order can be quite a challenge. Before you know it your Nitrate or Nitrite level can creep up, or your PH can get out of whack.  It’s important to test your water parameters constantly, using a quality test kit that can detect nitrate, nitrite, ph, and ammonia levels at the very least.

Luckily, Fish Fans is here to help, with a wide assortment of test kits:


API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit
$35.79 $23.22
click here to buy API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit

Most water problems are invisible to the eye. quickly measure and modify the six aquarium levels that are most important to the health of your freshwater fish with the api freshwater master test kit. to stay healthy and thrive, fish need properly balanced levels of ammonia, ph, high range ph, nitrit...


API AMMONIA 130-Test Freshwater and Saltwater Aquarium Water Test Kit
$11.79 $10.25
click here to buy API AMMONIA 130-Test Freshwater and Saltwater Aquarium Water Test Kit

Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. fish continually release ammonia into the aquarium through their gills, urine and solid waste. uneaten food and decaying organic matter also add ammonia to the water. small amounts of ammonia stress f...


API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit
$35.79 $34.00
click here to buy API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit

Protect marine fish and invertebrates from unsafe water conditions with api saltwater master test kit. fish waste, uneaten food, plant refuse and other organic compounds can create harmful levels of ammonia, nitrite and nitrate as well as cause drastic fluctuations in ph. these unhealthy conditions ...



Seachem MultiTest Copper Test Kit
$13.47 $13.17
click here to buy Seachem MultiTest Copper Test Kit

This kit measures all types of copper to less than 0.01 mg/l in marine or freshwater. it uses a highly sensitive catalysis based procedure. multitest™: copper performs over 75 tests and contains a reference sample for validation. range: 0–0.80 mg/l. precision: 0.025mg/l & 0.0025 mg/l.


PondCare Mars Copper Test Kit
$6.62 $11.29
click here to buy PondCare Mars Copper Test Kit

65l features: -must be monitored carefully when medicating. -tests opper levels from 0 to 4 mg/l or parts per million (ppm). -measures both free and chelated copper. -liquid test for fresh and salt water. product type: -pond testing kits. dimensions: overall product weight: -0.1 pounds.


API AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box
$56.99 $56.99
click here to buy API AQUARIUM SALT Freshwater Aquarium Salt 50-Pound Box

A lack of electrolytes in aquarium freshwater may cause serious health problems for freshwater fish. api aquarium salt supplies electrolytes to improve fish respiration. made from evaporated sea water and containing natural active ingredients such as a natural fish tonic, api aquarium salt promotes ...



Red Sea Fish Pharm ARE21525 Marine Care Test Kit for Aquarium
$44.64 $44.64
click here to buy Red Sea Fish Pharm ARE21525 Marine Care Test Kit for Aquarium

Complete multi test pack that includes all of the tests necessary to support the reef mature pro. the marine care kit is a direct replacement for the previous marine lab and includes the tests ph, kh, ammonia, nitrate and nitrite. 100/55/100/60/100. royal item number: are21525


Red Sea Reef Foundation Test Kit - Calcium, Alkalinity & Magnesium
$50.70 $50.72
click here to buy Red Sea Reef Foundation Test Kit - Calcium, Alkalinity & Magnesium

Reef foundation pro is an high accuracy (+/- 2. 5ppm) titration multi test kit (ca - 75 tests, alk - 75 tests, mg - 60 tests), which enable accurate dosing of ca, kh mg, the foundation elements for coral health and vitality. the kit includes a professional titrator.


Red Sea Fish Pharm ARE21415 Saltwater Magnesium Pro Test Kit for Aquarium, 100 Tests
$29.43 $30.34
click here to buy Red Sea Fish Pharm ARE21415 Saltwater Magnesium Pro Test Kit for Aquarium, 100 Tests

Magnesium pro is a high accuracy (+/- 2. 5ppm) titration test kit (100 tests) - incl. professional titrator.



API CALCIUM TEST KIT Saltwater Aquarium Water 1-Count Test Kit
$11.79 $10.25
click here to buy API CALCIUM TEST KIT Saltwater Aquarium Water 1-Count Test Kit

Keep your aquatic life healthy and thriving by testing your aquarium water's calcium levels regularly with this easy-to-use api calcium test kit for aquariums.testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. calcium is one of the most important elem...


API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit
$35.79 $34.00
click here to buy API SALTWATER MASTER TEST KIT 550-Test Saltwater Aquarium Water Test Kit

Protect marine fish and invertebrates from unsafe water conditions with api saltwater master test kit. fish waste, uneaten food, plant refuse and other organic compounds can create harmful levels of ammonia, nitrite and nitrate as well as cause drastic fluctuations in ph. these unhealthy conditions ...


API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit
$35.79 $23.22
click here to buy API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit

Most water problems are invisible to the eye. quickly measure and modify the six aquarium levels that are most important to the health of your freshwater fish with the api freshwater master test kit. to stay healthy and thrive, fish need properly balanced levels of ammonia, ph, high range ph, nitrit...


Tetra EasyStrips 6-In-1 aquarium Test Strips, Water Testing
$13.46 $13.46
click here to buy Tetra EasyStrips 6-In-1 aquarium Test Strips, Water Testing

Maintaining a healthy safe aquarium environment for your fish is important and regularly testing your water levels is critical to success tetra easystrips test strips are the perfect solution by quickly testing for all water-quality issues in your aquarium water these strips provide accurate results...


API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 100-Count Box
$25.92
click here to buy API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 100-Count Box

Keep your fish healthy and thriving by testing your aquarium water regularly with easy-to-use api 5-in-1 test strips. api 5-in-1 test strips for freshwater and saltwater aquarium help fish owners measure levels of nitrite, nitrate, carbonate & general hardness, and ph found in aquarium water. in ord...