Uncover the Latest Nitrite Test Kit Innovations

Count on our Nitrite Test Kit range for reliability and premium quality.

Aquarium Test Strips for Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit for Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free Chlorine pH Carbonate Total Alkalinity-100 Strips

4.5

USAStore

$1,309

Salifert NIPT Nitrite Test Kit

4.1

UKStore

$1,479

NT Labs Aquarium Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness and Carbonate Hardness), Aquarium Kit, Accurate Results, Up to 200 Tests Combine, Liquid Tests

4.7

UKStore

$3,389

Freshwater Aquarium Test Strips 6 in 1 - Fish Tank Test Kit for Testing pH Nitrite Nitrate Chlorine General & Carbonate Hardness (GH & KH) - Easy to Read Wide Strips & Full Water Testing Guide, 116 Ct

4.5

UAEStore

$1,008

Generic Monitor Nitrite Test KIT (200 Tests) - Monitor Aquarium and aquaculture Water Quality

5.0

USAStore

$1,089

AquaCare Nitrite Liquid Test Kit, Aquarium Water Test Kit For Freshwater Fish Tanks (40 Tests)

UKStore

$1,169

HI764 Hanna Ultra Low Range Nitrite Checker HC, Nitro ULR Meter - Saltwater Aquarium Ultra Low Range Nitrite Colorimeter - Checker

USAStore

$5,609

Salifert NIPT Nitrite Test Kit

UAEStore

$1,649

Sera Nitrite Test (No2) Fish Aquarium - 15ML

4.6

UAEStore

$1,479

AAwipes Aquarium Ammonia Test Strips 8-in-1 |100 Strips | Quick & Accurate Water Testing for Freshwater & Saltwater Tanks -Test pH, Carbonate, Alkalinity, Hardness, Chlorine, Nitrite, etc. (K02-100)

4.3

UAEStore

$1,949

Central Boiler Nitrite Test Kit

USAStore

$7,699

Nitrite 0-25 ppm, Nitrate 0-500 ppm Two Pad Test Strip [Vial of 50 Strips]

4.5

USAStore

$2,929

AAwipes Aquarium Ammonia Test Strips 8-in-1 |100 Strips | Quick & Accurate Water Testing for Freshwater & Saltwater Tanks -Test pH, Carbonate, Alkalinity, Hardness, Chlorine, Nitrite, etc. (K02-100)

4.1

USAStore

$1,129

NT Labs Nitrite Test Kit

4.6

UKStore

$469

EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

4.5

UKStore

$1,529

Aquarium Test Strips, 7-Way Aquarium Test Kit for Freshwater Saltwater,100 Strips Quick and Accurate Fish Tank Pond Test Strips,Test Nitrate, Nitrite, Chlorine,Hardness,Alkalinity, Carbonate, Ph

4.9

USAStore

$1,139

API Nitrite NO2 Test Kit, 180-count, multicolor

4.6

UAEStore

$592

Aqua Care ProFreshwater Aquarium Test Strips - 64 ct - 6-in-1 Fish Tank Water Testing Kit for pH Nitrite Nitrate Chlorine & Hardness - Kits for Pond & Aquariums

4.4

UKStore

$1,599

Tetra Test Kit NO2, to Measure the Nitrite Value Reliably and Precisely, 2 x 10 ml

4.4

UKStore

$1,469

Freshwater Aquarium Test Strips 6 in 1 - Fish Tank Test Kit for Testing pH Nitrite Nitrate Chlorine General & Carbonate Hardness (GH & KH) - Easy to Read Wide Strips & Full Water Testing Guide, 200 Ct

4.3

USAStore

$798

API Nitrite Aquarium Water Quality Test Kit, 150 Gram, 1 Piece

3.9

IndiaStore

$1,259

7-Way Aquarium Test Strips, 150 Strips Aquarium Testing Kit for Freshwater Saltwater, Fish Tank Pond Test Strips Testing pH, Alkalinity, Nitrite, Nitrate, Chlorine, Carbonate, Hardness

4.4

UAEStore

$2,209

150 Pcs Aquarium Test Strips, 7-in-1 Fish Tank Test Kit for Free Chlorine, Ammonia Nitrogen, Nitrate, Nitrite,Carboonate Root, pH Testing, Professional Water Test Strips for Aquarium Pond Freshwater

4.2

UKStore

$626

Sera Nitrite Test (No3) - 15Ml - Fish Aquarium

4.4

UAEStore

$657

150PCS Aquarium Ammonia Test Strips, 10 in 1 Ammonia Test Kit for Aquarium Water Test Kit for Freshwater Saltwater Fish Tank Water Testing Kit to Monitors Ammonia pH Nitrite Nitrate KG GH and more

4.6

UAEStore

$2,212

9 in 1 Aquarium Test Strips - 100 Strips Aquarium Water Test Kits for Freshwater Saltwater - Testing for Iron, Copper, Nitrite, Nitrate, pH, GH & KH, Chlorine, Total Alkalinity

4.4

USAStore

$1,389

API 5-in-1 Test Strips Freshwater and Saltwater Aquarium Test Strips 25-Count Box

4.6

USAStore

$1,129

24x7 eMall 100 Strips 7 in 1 Aquarium Test Strips, Master Kit for Freshwater, Saltwater, Pond Test Strips for Fish Tank Testing pH, Alkalinity, Nitrite, Nitrate, Chlorine, Carbonate, Hardness

3.6

IndiaStore

$1,059

Fritz Nitrite Test Kit (180 Tests) | Measures NO2 Levels in Fresh & Salt Water Aquarium Fish Tanks

USAStore

$720

BIONIX Nitrite Test Kit for Water Quality Testing, Fresh & Salt water (150 Test)

IndiaStore

$238

Test Strip,Nitrate/Nitrite Nitrogen,PK50

4.5

USAStore

$2,289

Pawfly6 in 1 Aquarium Test Strips, 100 Strips Fish Tank Testing Strips for pH Chlorine Nitrate Nitrite Carbonate and Hardness Water Quality Freshwater Saltwater Test Kits

4.3

USAStore

$1,149

Aquarium Test Strips,8 in 1 Aquarium Ammonia Test Strips for Saltwater Freshwater Aquariums,Pond Fish Tanks,150 Aquarium Test Kit-Test pH, Alkalinity,Nitrate,Ammonia and More

USAStore

$564

Water Testing Kits for Drinking Water: 5 Strips 8 in 1 Well and Drinking Water Test Kit, Water Test Strips with Alkalinity, Lead, pH, Hardness, Copper, Nitrate, Nitrite & Chlorin

4.7

USAStore

$510

Monitor Nitrite, Ammonia Test KIT_Combo Set

USAStore

$2,359

Hach 2745425 Nitrate and Nitrite Test Strips

4.3

USAStore

$2,199

Aquarium Test Kit with eBook-100 Strips 9 in1 Saltwater and Freshwater Test Kit for Aquarium,Pond and Fish tank,Testing Carbonate,Alkalinity,pH,Hardness,Free Chlorine,Nitrate,Nitrite,copper and Iron.

4.7

USAStore

$524

Freshwater Aquarium Master Test Kit – 950+ Tests for pH, Ammonia, Nitrite & Nitrate – Fast & Accurate Water Quality Testing – Ideal for Fish Tanks, Aquariums – Easy-to-Use Complete Kit

USAStore

$1,412

Seachem MultiTest Nitrite and Nitrate Test Kit

3.4

USAStore

$1,759

API Nitrate Test Kit, 100 Gram

4.6

IndiaStore

$1,589

APINITRITE TEST KIT 180-Test Freshwater and Saltwater Aquarium Test Kit

4.7

USAStore

$1,359

Api Nitrite Aquarium Water Quality Test KitHelps Prevent Invisible Problems That Can Be Harmful to Fish, Fast, Easy and Accurate, Use Weekly and When Problems Appear, 150 Gram

4.5

IndiaStore

$507

Nitrite Test Kit - 60 Tests

4.5

IndiaStore

$455

9 in 1 Aquarium Test Strips, 100 Strips Aquarium Test Kits for Freshwater Saltwater, Aquarium Water Test Kit, Pond Fish Tank Test Strips Testing Iron, Copper, Nitrite, Nitrate, pH, Carbonate and More

4.4

USAStore

$1,519

BIONIX Freshwater Master Test Kit (200 Test).

3.9

IndiaStore

$1,499

9-Way Aquarium Test Strips - 150 Aquarium Water Test Kit Fish Tank Test Kit Quick & Accurate Testing Iron Copper Nitrate Nitrite Chlorine Total Hardness Total Alkalinity Carbonate pH

USAStore

$718

Sera Nitrite (NO2) Test, 2X15 ml - For Fresh and Marine Water Aquarium Test Kits, Monitor Nitrite Level, Approx. 75 Measurements

4.6

USAStore

$678

Nitrite Test Kit (5-1000 mg/l)

2.0

IndiaStore

$2,009

Pawfly8 in 1 Aquarium Test Strips, 75 Strips Fish Tank Water Testing kit for pH Chlorine Nitrate Nitrite Carbonate Hardness Total Alkalinity & Ammonia Water Quality Freshwater Saltwater Test Kit

USAStore

$524

Monitor Nitrite Test KIT (200 Tests) - Monitor Aquarium and aquaculture Water Quality

UAEStore

$829

Aquarium Test Kit, 100pcs 7 in 1 Fish Tank Test Strips, Freshwater Aquarium Water Quality Test Kit, Total Alkalinity, Hardness, pH, Free Chlorine, Total Chlorine, Bromine, Nitrate (100 Pieces 7 in 1)

USAStore

$1,149

API Freshwater and Saltwater Aquarium Water Test Kit Including Trinity Treats Microfiber Cleaning Cloth (API Nitrate Test Kit, API Nitrite Test Kit, API Ammonia Test Kit)

USAStore

$5,759

9-in-1 Aquarium Test Kit, 100 Strips, Suitable for Freshwater and Saltwater Tanks and Ponds. Tests Copper, Iron, Nitrate, Nitrite, Chlorine, Total Hardness, Alkalinity, Carbonate Hardness, and pH

USAStore

$2,079

Nitrite Test Kit (5-1000 mg/l)

UAEStore

$2,573

Tetra EasyStrips 6-In-1 aquarium Test Strips, Water Testing (19542)

4.6

USAStore

$989

My Pet 7-Way Aquariums & Fishponds Test Kit – 175 Total Tests/Kit – DIY Testing for Freshwater or Saltwater –Testing for pH, GH, KH, Alkalinity, Nitrate, Chlorine & Nitrite

UAEStore

$564

Aquarium Water Test Kit for Freshwater: 125ct 9 in 1 Aquarium Test Strips for Fish Tank Monitor pH Chlorine Hardness Nitrate, Nitrite,ect

USAStore

$728

9 in 1 Aquarium Test Strips for Salt & Freshwater, Fish Tank Tester Kit for Iron, Copper, Carbonate, pH, Nitrate, Nitrite, Chlorine, Total Hardness & Alkalinity - 25 Count

4.3

USAStore

$645

Aquarium Water Test Kit - Pack of 100 | AQUATIC EDEN 9-in-1 Fish Tank Water Testing Kit | Freshwater & Saltwater Aquarium Test Strips | Measures pH, Nitrate, Nitrite, Hardness, Chlorine and More

4.2

USAStore

$1,399

Blagdon Quick & Easy Complete Pond Water Quality Dip Test Kit, Ammonia, Nitrite, Nitrate, pH, Water Hardness (CH & GH)

4.4

UAEStore

$2,019

AQUALUNAAquarium Test Strips 6 in 1 for Freshwater and Saltwater- Fish Tank Test Kit Monitoring Level of pH, Nitrate, Nitrite, General Hardness, Free Chlorine and Carbonate-100 Counts

4.5

USAStore

$1,139

Monitor Nitrite, Ammonia Test KIT_Combo Set

UAEStore

$2,089

2024 All-New SJWAVE 18 in 1 Water Testing Kit - Accurate Analysis of 5 Sensitive Tests: Chlorine, Iron, Nitrite, Copper, Sulfate, & 13 Essential Parameters for Aquarium, Pool, Spa & Drinking Water

4.3

USAStore

$1,210

Drinking Water Test Kit, 50 PCS 16 IN 1 Water Testing Strips for Drinking Water, Home Water Quality Test Lead Test Kit for Hardness PH Manganese Nitrate Iron Nitrite Copper Chlorine Mercury & More

4.1

UAEStore

$1,829

AAwipes Aquarium Ammonia Test Strips 8-in-1 |25 Strips | Quick & Accurate Water Testing Test pH, Carbonate, Alkalinity, Hardness, Chlorine, Nitrite, etc. (K02-25)

4.6

USAStore

$819

Salifert Nitrite Profi-Test Kit

UAEStore

$661

NITRITE TEST KIT FRESH/SALT WATER

UAEStore

$653

Industrial Test Systems WaterWorks 481109 Nitrate/Nitrite Nitrogen Test Strip, 1 Minutes Test Time, 0-50 ppm Range (Pack of 30)

3.9

USAStore

$2,149

Pawfly 7 in 1 Aquarium Test Strips Fish Tank Testing Strips for pH Chlorine Nitrate Nitrite Carbonate Hardness Total Alkalinity Water Quality Monitoring Kit with Test Tube and Thermometer, 100 Strips

4.5

UAEStore

$2,189

GAOQSEMG 10 in 1 Ammonia Water Test Kit for Aquarium,150 Strips Freshwater Saltwater Fish Tank Test Strips for Testing Ammonia,pH,Hardness,Nitrite,Nitrate,and More

UAEStore

$1,095

7 in 1 Aquarium Test Strips, 125 Count Fish Tank Test Strips for Freshwater Saltwater Pond, Water Testing Kit Aquarium for Chlorine, Total Hardness, Carbonate, Alkalinity, Nitrate, Nitrite and pH

4.4

USAStore

$1,359

7in1 Aquarium Test Kit for Freshwater Aquarium Fast & Accurate Water Quality Testing Strips for Aquariums & Ponds | Monitors pH, Alkalinity, Nitrite, Nitrate, Chlorine, Carbonate, Hardness(50 Tests)

UAEStore

$1,239

My Pet® 7-Way Aquarium & Fishpond Test Kit – 50-Strips Test Freshwater or Saltwater – pH, GH, KH, Alkalinity, Nitrate, Chlorine & Nitrite

4.2

USAStore

$1,039

Trinity TreatsAPI Freshwater and Saltwater Aquarium Water Test Kit Including Trinity Treats Microfiber Cleaning Cloth (API Nitrate Test Kit, API Nitrite Test Kit, API Ammonia Test Kit)

UAEStore

$5,149

Hagen Nutrafin Master Test Kit

UAEStore

$12,309

DaToo8 in 1 Aquarium Test Kit Fish Tank Test Strips Accurate Water Quality Testing Strips for Ammonia PH Total Alkalinity Carbonate Hardness Free Chlorine Nitrate Nitrite Temperature (50 Strips)

UAEStore

$427

GOENN 16 in 1 Water Testing Kits for Drinking Water,100 Pcs Drinking Water Test Strip for Drinking Water Tap,Well Water Quality Testing for Lead,Hardness,PH, Chlorine,Nitrate,Iron,Copper and More

5.0

UAEStore

$1,182

Fluval Nitrate Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank Test

4.4

UAEStore

$782

Well Water Test Kit for Drinking Water - Quick and Easy Home Water Testing Kit for Bacteria Nitrate Nitrite pH Manganese & More | Made in The USA in Line with EPA Limits [NO MAILING Required]

4.3

UAEStore

$1,192

Bartovation Super Taster Test Genetics Lab Kit With Instructions, Phenylthiourea (Ptc), Sodium Benzoate, Thiourea And Control [Each Vial Includes 100 Paper Strips]

4.5

UAEStore

$1,879

200 Aquarium Water Test Strips - For Fish Tank or Pond - Lowest Price Per Strip On Amazon! - High Accuracy - Tests for Nitrate, Nitrite, PH, and Water Hardness - Aquarium Water Test Kit

UAEStore

$414

JoygainAquarium Water Test Kit Including Ammonia: 10 in 1 Aquarium Test Strips 150pcs Testing pH Nitrate Nitrate and More for Saltwater Freshwater Fish Tank

UAEStore

$2,069

Seachem MultiTest Nitrite and Nitrate Test Kit

4.0

UKStore

$1,073

Aqua Care ProFreshwater Aquarium Test Strips - 116 ct - 6-in-1 Fish Tank Water Testing Kit for pH Nitrite Nitrate Chlorine & Hardness - Kits for Pond & Aquariums

4.5

UKStore

$672

GAOQSEMG 9 in 1 Aquarium Test Strips,100 Strips Fish Tank Water Test Kits,Water Test Strips for Freshwater, Salwater, Aquarium,Pond Testing pH, Hardness, Chlorine, Nitrite,Iron, Copper and More

UAEStore

$780

sera 4-in-1 Aqua-Test Set

4.6

UAEStore

$3,569

Colombo Pond NO2 Test Kit

UKStore

NT$884

Seachem MultiTest Nitrite and Nitrate Test Kit

UAEStore

$2,659

Api Nitrite Aquarium Water Quality Test KitHelps Prevent Invisible Problems That Can Be Harmful to Fish, Fast, Easy and Accurate, Use Weekly and When Problems Appear, 150 Gram

UAEStore

$1,780

Fluval 107/207 Nitrite Remover

4.7

UAEStore

$293

NT Labs Aquarium Water Mini Test (3 Key Parameters - pH, Nitrite and Ammonia), Maintain Excellent Water Quality, Accurate Results, Liquid Drop Tests

4.5

UKStore

$1,739

Clear ResponseNitrite Aquarium Water Quality Test Kit, Pack Size - 125 Tests

UAEStore

$1,500

Monitor Ph7.1-8.9, Chlorine, Nitrite, Ammonia Test KIT_Combo Set

UAEStore

$3,649

LuqeegNitric Oxide Test Strips, Highly Accurate Body Nitric Oxide Test Strips, Nitric Oxide Indicator Strips Work By Test Salivary Nitrite Levels,Fast & Accurate, 25 Strips/Tube

UAEStore

$599

envii Pond Test Strips - 5 in 1 Pond & Aquarium Water Test Kit - Testing for pH, KH, GH, Nitrates and Nitrites for use in Fish Tanks, Aquariums & Garden Ponds- 25 Strips Can Be Used All Through Winter

4.3

UKStore

$1,309

Fluval307/407 and 306/406 Nitrite Remover Pad, 0.113 kg

4.7

UAEStore

$904

Precision Protein Test Strip, 0.3 to 10 Plus g/L, 50 Strips/Pack

UAEStore

$1,169

Sera USA Test Box Freshwater Master Kit

4.5

UAEStore

$9,879

Freshwater Aquarium Test Strips 6 in 1 - Fish Tank Test Kit for Testing pH Nitrite Nitrate Chlorine General & Carbonate Hardness (GH & KH) - Easy to Read Wide Strips & Full Water Testing Guide, 116 Ct

4.5

USAStore

$1,689

BOSIKE 6 in 1 Aquarium Test Strips Kit - 125 Fresh Water Fish Tank Tester Strips for Total Hardness, Nitrate, Nitrite, Cl2, Carbonate & ph Testing

USAStore

$605