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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 $22.54
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 Saltwater Master Test Kit 550-Test Saltwater Aquarium Water Test Kit
$35.79 $22.54
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 ...


Aquarium Pharmaceuticals (API) Replacement Test Tube (6 Pack)
$13.55 $8.50
click here to buy Aquarium Pharmaceuticals (API) Replacement Test Tube (6 Pack)

Replacement test tubes compatible with the aquarium pharmaceuticals (api) test kits. includes cap. 6 pack.



PondCare Mars Copper Test Kit
$12.10 $11.99
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 MelaFix for Aquariums, 16oz
$8.90 $11.04
click here to buy API MelaFix for Aquariums, 16oz

Api melafix for aquariums, 16oz


API Furan-2 Fish Powder Medication 30 oz Bulk Box
$142.88 $139.74
click here to buy API Furan-2 Fish Powder Medication 30 oz Bulk Box

Api furan-2 treats a variety of bacterial infections in fish, such as open red sores, gill disease, hemorrhagic septicemia, eye cloud, body slime, and fin & tail rot. for use in fresh and saltwater aquariums. dose according to directions on product label and use accordingly. with api aquarium produc...



Red Sea Reef Foundation Test Kit - Calcium, Alkalinity & Magnesium
$50.70 $39.99
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 ARE21525 Marine Care Test Kit for Aquarium
$37.99 $35.94
click here to buy Red Sea Fish Pharm ARE21525 Marine Care Test Kit for Aquarium

Red sea marine care test kit is complete multi-test pack including all of the tests necessary to monitor the biological maturation of new systems and for the ongoing maintenance and algae management of fish-only aquariums. the marine care test kit includes the tests ph, kh, ammonia, nitrate and nitr...


API Saltwater Master Test Kit 550-Test Saltwater Aquarium Water Test Kit
$35.79 $22.54
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 Saltwater Master Test Kit 550-Test Saltwater Aquarium Water Test Kit
$35.79 $22.54
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 Reef Master Test Kit Reef Aquarium Water Test Kit 1Count
$22.54 $22.54
click here to buy API Reef Master Test Kit Reef Aquarium Water Test Kit 1Count

Measure the most important reef aquarium levels including calcium, carbonate hardness (kh), phosphate and nitrate with api reef master test kit. proper balance is key to the overall health of reef inhabitants. corals and reef invertebrates like shrimp, crabs and encrusting algae require calcium to g...


API 5-in-1 Test Strips Freshwater & Saltwater Aquarium Test Strips 100Count Box
$25.87 $25.87
click here to buy API 5-in-1 Test Strips Freshwater & Saltwater Aquarium Test Strips 100Count 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...


API AMMONIA 130-Test Freshwater and Saltwater Aquarium Water Test Kit
$11.79 $9.99
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 Nitrate 90-Test Freshwater & Saltwater Aquarium Water Test Kit
$10.75 $3.64
click here to buy API Nitrate 90-Test Freshwater & Saltwater Aquarium Water Test Kit

Keep your fish healthy and thriving by testing your aquarium water's no3 levels regularly with this easy-to-use api nitrate test kit for freshwater and saltwater aquariums. testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. when left uncorrected, hig...