Freshwater (FW) & Saltwater (SW) Testing & Reagents

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API Nitrate Test Kit Fresh & Salt Water
API Algae Eater Sinking Wafers Fish Food (APLR1800)

API Algae Eater Premium Algae Wafers for Algae Eating Fish was formulated with a rich blend of algae including spirulina for essential micronutrients and optimal health.

  • Contains pea protein which is proven to be a quality plant protein source for digestibility and growth
  • Natural pre-biotic promotes beneficial gut bacteria and builds natural defenses
  • Provides essential micronutrients and optimal health
API Nitrate Test Kit for Fresh and Saltwater Aquariums
$21.88
API pH High Range Test Kit FW & SW
API Algae Scraper for Glass Aquariums (AP027)

Aquarium Pharmaceuticals Doc Wellfishs Algae Scraper is an incredibly durable algae scraper for cleaning aquarium walls. Made with an 18" long, strong handle, and features a scrubbing pad and hard scraping tip.

  • Incredibly durable algae scraper
  • Long, strong handle
  • Features a scrubbing pad and hard scraping tip

Removes even the toughest algae quickly and easily. For glass aquariums.

API High Range pH Test Kit for Goldfish, Marine and African Cichlids
$13.49
API Ammonia Test Kit Fresh & Salt Water
API Bottom Feeder Squid Pellets Sinking Pellets Fish Food (APLR8600)

API Bottom Feeder Premium Squid Pellet Food are sinking squid pellets, designed to meet the needs of bottom feeding aquarium fish. These highly nutritious pellets are enhanced with seaweed and formulated to boost your fishs immune systems while producing less waste for cleaner water.

  • Premium squid pellets for bottom feeders
  • Formulated with seaweed to improve physiological conditions for better nutrient conversion
  • Contains mussel for high palatability and added protein

Each tasty squid pellet is a good source of protein as well as a natural color enhancer. Sinking pellets go straight to the bottom for immediate feeding.

Feeding Guide: Feed twice a day. To accommodate the slower feeding habits of most bottom feeders, feed the amount of food your fish will consume within 30 minutes.

Ingredients: Whole Menhaden Fish Meal, Whole Wheat, Squid Meal, Wheat Flour, Wheat Middlings, Condensed Fish Protein Digest, Fish Oil (Preserved with Mixed Tocopherols), Brewers Dried Yeast, Pea Protein, Dehydrated Seaweed Meal (Fucaceae), Hydrated Sodium Calcium Aluminosilicate, Monosodium Phosphate, Cane Molasses, L-Ascorbyl-2-Polyphosphate, L-Lysine, Citric Acid, DL-Methionine, Garlic Powder, BHA/Citric Acid/ Propyl Gallate (as Preservatives), Choline, Chloride, Inositol, L-Threonine, Alpha-Tocopherol Acetate, Niacin, D-Calcium Pantothenate, Iron Proteinate, Riboflavin, Iron Sulfate, Pyridoxine Hydrochloride, Zinc Proteinate, Thiamine Mononitrate, Zinc Oxide, Manganous Oxide, Manganese Proteinate, Menadione Sodium Bisulfite Complex, Folic Acid, Vitamin A Acetate, Copper Proteinate, Copper Sulfate, biotin, Calcium Iodate, Sodium Selenite, Biotin, Calcium Iodate, Sodium Selenite, Vitamin D3 Supplement, Vitamin B12 Supplement.

Guaranteed Analysis:
Crude Protein (min) - 36.0%
Crude Fat (min) - 6%
Crude Fiber (max) - 5.0%
Moisture (max) - 10.0%.

API Ammonia NH3/NH4 Test Kit
$24.13
API Freshwater  PH Kit Mini
API Doc Wellfishs Hand Held Algae Pad for Glass Aquariums (AP028)

The Doc Wellfishs Hand Held Algae Pad is an indestructible cleaning pad made to reach the nooks and crannies of the aquarium. Removes algae quickly and easily, for glass aquariums.

  • Quickly removes unsightly algae from glass aquariums
  • Made to reach into every nook and cranny
  • Virtually indestructible
API pH Test Kit for Freshwater Aquariums
$12.27
API Nitrite NO2 Test Kit FW & SW
API Fin and Body Cure Treats Bacterial Fish Disease External and Internal (AP026)

API Fin and Body Cure is a highly effective treatment for internal and external bacterial disease in fish, including fin and tail rot, bacterial gill disease, hemorrhagic septicemia, open red sores, and body slime and eye cloud. For freshwater aquarium use only.

  • Treats internal and external bacterial fish disease
  • Effective against fin and tail rot, gill disease, open red sores and more common infections
  • For freshwater aquariums only

Dosage: One 250 mg packet treats 10 gallons.

Directions: For best results, remove activated carbon or filter cartridge from filter and continue aeration. For each 10 gallons (38L) of water, empty one packet directly into aquarium. Repeat dose after 24 hours. Wait another 24 hours, then change 25% of the aquarium water. Repeat this treatment a second time, for a total of 4 doses. Then make a final 25% water change and add fresh activated carbon or replace filter cartridge. Treatment may be repeated, if necessary. One 10 Count package treats up to 100 gallons. Four doses required for full course of treatment.

API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums
$18.26
API Copper Test Kit
API GH and KH General and Carbonate Hardness Test Kit for Freshwater Aquariums (AP065L)

The API Freshwater Hardness GH and KH Test Kit tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Keeping these factors properly balanced creates a more healthy, natural environment for your freshwater aquarium fish.

  • General and carbonate hardness test kit
  • Monitor GH and KH to create a more natural habitat
  • For freshwater aquariums

The Freshwater Hardness GH and KH Test Kit helps detect stress on fish caused by rapid pH shifts, which result from low KH levels and helps aquarists duplicate the natural habitat of their fish.

API Copper Cu Test Kit Monitor Copper when Medicating in Freshwater and Saltwater Aquariums
$16.29
API Calcium Test Kit
API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums (AP069L)

Aquarium Pharmaceuticals Fresh/Salt Water Carbonate Test Kit measures carbonate hardness, the measure of carbonate and bicarbonate concentrations in the water.

  • Carbonate hardness test kit
  • Monitor KH to prevent pH problems
  • For freshwater aquariums

APIs carbonate hardness (KH) of aquarium water should be tested frequently, since water with a low KH is subject to rapid shifts in PH, greatly stressing fish and making them vulnerable to disease.

The proper KH levels is an important part of water quality and is necessary for the health of fish and the development and growth of aquarium plants. Kit contains dropper bottle for accurate dispensing of test solution, easy to read instructions and color chart, non-staining glass test tube with snap-tight cap.

API Calcium Ca2 Test Kit for Healthy Coral Growth
$20.66
API Reef Master Test Kit
API Marine AlgaeFix Controls Algae Growth and Works Fast (AP402M)

Algaefix Marine controls a wide variety of algae types in marine (saltwater) aquariums, and is EPA-registered as reef-safe. It will not harm marine fish, corals or other invertebrates while eliminating algae growth and keeping your tank clean and clear.

  • Safe, effective algaecide for saltwater fish tanks
  • Controls many types of algae in marine and reef aquariums
  • Will not harm marine fish, corals or other invertebrates

When used as directed, Algaefix Marine effectively controls green algae, "red slime" and "brown algae". Use in saltwater aquariums containing live corals, invertebrates, and fish. It will not harm coralline algae, discolor water, or cause foaming.

Treats: 1 ml treats 10 U.S. gallons of water or 5 ml for each 50 gallons of water.

Directions: Add 1 ml (1/5 tsp) for each 10 U.S. gallons or 5 ml (1 tsp.) for each 50 U.S. gallons of aquarium water. Repeat dose every three days until algae is controlled. Siphon or scrape any dead algae from the aquarium. Once algae growth is under control, add one dose per week. Weekly doses of Algaefix Marine will control algae growth and reduce aquarium maintenance. It is a violation of federal law to use this product in a manner inconsistent with its labeling. For indoor aquarium use only.

Active Ingredient:
Poly [oxyethylene (dimethyliminio) ethylene (dimethyliminio) ethylene dichloride]: 4.5%
Other Ingredients: 95.5%.

API Marine Reef Master Test Kit Tests Calcium, Carbonate Hardness, Phosphate and Nitrate
$70.50
API Saltwater Master Test Kit
API Marine Stress Coat Makes Tap Water Safe (AP401M)

The Marine Stress Coat by API instantly removes chlorine and chloramines, making water safe for fish. The Stress coat will neutralize heavy metals and replace the natural slime coating fish need in times of stress, such as handling, shipping, or fighting.

  • The Healing Power of Aloe Vera
  • Enhances Slime Coat on your fish
  • Removes chlorine, chloramines and ammonia from water
  • Non-foaming marine formula for saltwater aquariums

Marine Stress Coat contains Aloe Vera to prevent the loss of essential electrolytes and protect damaged tissue against disease causing organisms. It can help heal torn fins and skin wounds. Use this product when setting up a new aquarium, changing water, or adding fish.

API Marine Saltwater Master Test Kit Tests High Range pH, Ammonia, Nitrite and Nitrate
$70.50
API pH Test & Adjuster Kit
API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums (AP029A)

API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums. Fast, accurate and easy to use. This Fresh Water Nitrite Test Kit contains a dropper bottle, test solution, easy-to-read instructions, color chart, and glass tube with a lid for 180 tests for nitrite levels from 0 to 5 ppm.

  • Monitors nitrite to help prevent fish loss
  • Suitable for fresh and saltwater
  • Use for regular, essential nitrite monitoring

Aquarium Pharmaceuticals Fresh Water Nitrite Test Kit reads total nitrite (NO2) levels in parts per million (ppm) from 0 ppm to 5 ppm. Regular testing for nitrite is an essential part of routine aquarium maintenance.

Aquarium water should be tested for nitrite every other day when the aquarium is first set up. In established aquariums, test for nitrite weekly to make sure the nitrite level does not rise.

API pH Test and Adjuster Kit for Freshwater Aquariums
$19.83
API Ammonia Test Strips
API pH Down Lowers Aquarium pH for Freshwater Aquariums (AP033D)

Aquarium Pharmaceuticals pH Down lowers pH and makes aquariums more acidic. Fast-acting, colorless and easy-to-use. API pH Down is fast acting, colorless, easy to use and will not cloud or color aquarium water.

  • Lowers pH for freshwater aquariums
  • For community aquariums, soft water and live-bearing fish
  • Will not cloud or color aquarium water

The colorless formula will not cloud or color aquarium water. Contains no phosphates, a major source of algae outbreaks.

The following pH levels are recommended for freshwater tropical fish:
Egg-laying fish: 6.6 to 6.8 (slightly acidic)
Community aquarium: 7.0 (neutral)
Live bearing fish: 7.2 to 7.6 (slightly alkaline).

Directions For Use: Use API Freshwater pH Test Kit to determine the pH of aquarium water.To lower pH, add two drops of pH Down for each gallon of aquarium water.Take another pH reading before adding the next dose of pH Down.If fish are present in the aquarium, do not change the pH more than 0.2 in any 24 hour period (for example, from 7.2 to 7.0).

In case of contact with eyes, rinse immediately with plenty of water and seek medical attention. If on skin, flush with water for 15 minutes. Remove contaminated clothing. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible). If swallowed, do not induce vomiting. Never add water to this product.

Danger: Causes severe burns. May be fatal if swallowed. Read cautionary information.
Danger Poison: contains Sulfuric Acid (EINECNo. 231-639-5). Causes severe burns.
Keep out of the reach of children.

API Ammonia Test Strips NH3 / NH4 for Freshwater and Saltwater Aquariums
$27.03
API Replacement Test Tubes
API pH Test and Adjuster Kit for Freshwater Aquariums (AP032)

Aquarium Pharmaceuticals pH Test and Adjuster Kit monitors your aquarium water pH with extreme accuracy, and includes API pH UP and pH DOWN to perform necessary adjustments after testing. This 3 bottle kit is suitable for freshwater aquariums.

  • Monitor and adjust pH to maintain healthy freshwater conditions
  • Includes pH UP and pH DOWN
  • Fast, accurate and easy-to-use kit

Fast, accurate and easy-to-use kit contains dropper bottle, test solution, easy-to-read instructions, color chart and glass tube with lid for 250 tests.

Tests pH levels from 6 0 to 7.6 Includes 37 ml pH UP and pH DOWN.

API Test Tubes for Use with API Liquid Test Kits
$32.36
API pH Test Strips
API pH Up Raises Aquarium pH for Freshwater Aquariums (AP033F)

Raises the pH of freshwater aquariums. Improper pH can stress fish and cause diseases. Use a test kit regularly to accurately monitor pH. Contains Sodium Hydroxide.

  • Aquarium pH adjuster
  • Raises pH of freshwater aquariums
  • Helps maintain proper pH for fish health
API pH Test Strips for Freshwater and Saltwater Aquariums
$20.49
API Phosphate Test Kit
API Stress Zyme Plus Bio Filtration Booster (AP063L)

API Stress Zyme Plus helps improve the development of the biological filter, as well as cleaning a dirty aquarium. API Stress Zyme contains millions of live, beneficial bacteria cultures to break down and destroy sludge in the gravel bed while keeping grass and plants clean.

  • Keeps aquarium clean and reduces maintenance
  • Improves bio filter at startup
  • Made in the USA
  • Great for fresh or saltwater

API Stress Zyme Plus breaks down organic compounds that can cause dangerous conditions such as ammonia and nitrite poisoning and low oxygen levels.

A continuing use of Stress Zyme will assure an active biological filter, cleaner aquarium, healthier fish, and an overall good water quality. You do not have to keep this product refrigerated. StressZyme can be used in Fresh or Saltwater aquariums and when setting up or maintaining aquarium. Additional features:.

  • Contains live bacteria to consume sludge
  • Reduces aquarium maintenance
  • Adds beneficial bacteria for a healthy aquarium
  • All natural ingredients

When To Use: Use weekly for a healthy, clean aquarium and to maintain a strong biological filter.

Directions: Shake well. To maintain a clean, healthy aquarium: add 1 tsp. (5 ml) per 10 US gallons (38 L) or 1/2 cup (120 ml) for each 240 US gallons (912 ml) of water weekly. For new aquariums to help boost the biological filter: double the dose, use at startup and for 2 additional weeks.

Dosage:
1 oz treats 60 gallons
4 oz treats 236 gallons
8 oz treats 480 gallons
16 oz treats 960 gallons
64 oz treats 3,786 gallons
4 gallons treats 30,240 gallons.

API Phosphate Test Kit for Freshwater and Saltwater Aquariums
$23.19
API Carbonate Test Kit - Fresh & Saltwater
API Stress Zyme Plus Bio Filtration Booster (AP059)

API Stress Zyme Plus helps improve the development of the biological filter, as well as cleaning a dirty aquarium. API Stress Zyme contains millions of live, beneficial bacteria cultures to break down and destroy sludge in the gravel bed while keeping grass and plants clean.

  • Keeps aquarium clean and reduces maintenance
  • Improves bio filter at startup
  • Made in the USA
  • Great for fresh or saltwater

API Stress Zyme Plus breaks down organic compounds that can cause dangerous conditions such as ammonia and nitrite poisoning and low oxygen levels.

A continuing use of Stress Zyme will assure an active biological filter, cleaner aquarium, healthier fish, and an overall good water quality. You do not have to keep this product refrigerated. StressZyme can be used in Fresh or Saltwater aquariums and when setting up or maintaining aquarium. Additional features:.

  • Contains live bacteria to consume sludge
  • Reduces aquarium maintenance
  • Adds beneficial bacteria for a healthy aquarium
  • All natural ingredients

When To Use: Use weekly for a healthy, clean aquarium and to maintain a strong biological filter.

Directions: Shake well. To maintain a clean, healthy aquarium: add 1 tsp. (5 ml) per 10 US gallons (38 L) or 1/2 cup (120 ml) for each 240 US gallons (912 ml) of water weekly. For new aquariums to help boost the biological filter: double the dose, use at startup and for 2 additional weeks.

Dosage:
1 oz treats 60 gallons
4 oz treats 236 gallons
8 oz treats 480 gallons
16 oz treats 960 gallons
64 oz treats 3,786 gallons
4 gallons treats 30,240 gallons.

API KH Carbonate Hardness Test Kit for Fresh and Saltwater Aquariums
$9.31
API 5 in 1 Aquarium Test Strips
API Test Tubes for Use with API Liquid Test Kits (AP033H)

Replacement box of 24 test tubes and caps by Aquarium Pharmaceuticals. For use in all Aquarium Pharmaceuticals water test kits where the original tube has been lost or damaged.

  • Includes 24 glass test tubes and caps
  • Use for Aquarium Water Test Kits
  • Use when original tube has been lost or damaged
API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums
$11.73
Seachem Ammonia Alert
Lees Jumbo Scrubber Pad for Glass Aquariums (SC00100)

Lees Jumbo Scrubber Pad is a heavy-duty, long lasting scrubber designed for large cleaning jobs. This Jumbo Scrubber be cut into custom sizes or even multiple pads and is best suited for glass.

  • Heavy-duty and long-lasting scrubber for glass aquariums
  • Designed to tackle large cleaning jobs
  • Scrubber can be cut into custom shapes and sizes
  • Scrubber Pad Dimensions: 9"L x 6"W x 1"H
Seachem Ammonia Alert - Ammonia Test Kit
$14.12
Seachem pH Alert for Freshwater
Lees Long Handle Glass or Acrylic Scrubber (SC00200)

Lees Long-lasting Super Algae Scrubbers allow for thorough aquarium cleaning without getting your hands wet! They feature a long, thick handle that is easy to grasp and designed to eliminate pressure on the wrists and hands.

  • Allows for thorough aquarium cleaning without getting your hands wet
  • Features a long, thick handle that is easy to grasp
  • Perfect for glass and acrylic tanks

This scruber is perfect for glass and acrylic tanks. Handle is approximately 15" inches from the brush to the handle and 11" from the brush to the hand held part.

Seachem pH Alert for Freshwater - pH Test Kit (Lasts 3-6 Months)
$10.41
Tetra EasyStrips 6 in 1 Ammonia Aquarium Test Strips
Tetra EasyStrips 6 in 1 Ammonia Aquarium Test Strips (YT19542)

Tetra EasyStrips 6-in-1 Aquarium Test Strips provide complete, all-in-one testing in just 60 seconds. Each strip performs medical and scientific quality tests for pH levels, chlorine, hardness, and harmful toxins. EasyStrips are fast, accurate, easy to read, and suitable for both fresh and saltwater aquariums.

  • Complete, all-in-one testing for aquarium water
  • 60 second check of chlorine, nitrite, nitrate, alkalinity, hardness and pH
  • Medical and scientific quality results

Note: Does not test ammonia.

Tetra EasyStrips 6 in 1 Ammonia Aquarium Test Strips - 25 Pack
$20.66
Tetra EasyStrips 6 in 1 Ammonia Aquarium Test Strips
Tetra EasyStrips 6 in 1 Ammonia Aquarium Test Strips (YT19543)

Tetra EasyStrips 6-in-1 Aquarium Test Strips provide complete, all-in-one testing in just 60 seconds. Each strip performs medical and scientific quality tests for pH levels, chlorine, hardness, and harmful toxins. EasyStrips are fast, accurate, easy to read, and suitable for both fresh and saltwater aquariums.

  • Complete, all-in-one testing for aquarium water
  • 60 second check of chlorine, nitrite, nitrate, alkalinity, hardness and pH
  • Medical and scientific quality results

Note: Does not test ammonia.

Tetra EasyStrips 6 in 1 Ammonia Aquarium Test Strips - 100 Pack
$58.14
Tetra EasyStrips Complete Kit
Tetra EasyStrips Complete Kit (YT19544)

Tetra EasyStrips Ammonia Aquarium Test Strips provide, fast, accurate and easy testing for both fresh and saltwater aquariums. No vial is needed; just dip in the water for medical and scientific quality results in 10 seconds!

  • Kit includes 25 Ammonia Test Strips and 25 6-in-1 Test Strips
  • Quick and easy, just dip and read
  • Medical and scientific quality

Each kit contains 25 ammonia strips and 25 6-in-1 strips that provide complete testing of chlorine, nitrite, nitrate, alkalinity, hardness, and pH.

Tetra EasyStrips Complete Kit - 25 Ammonia Strips & 25 - 6 in 1 Strips
$40.26
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