Water Quality Testing & Treatment

1699 products found

Water Treatments

RO system aquarium – ARKA myAQUA 380 – 380 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for marine & freshwater tanks – complete household setup

$77.57

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Inkbird

⏳

Thermometers

Inkbird Digital WiFi Aquarium Thermostat, ITC-306T-WiFi Tank Temperature Controller with Wireless Alarm, Dual Heating Output, Dual Time Cycle Setting

$98.99

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Tigerlily Enterprises Ammonia Test Strips – 50 Count Aquarium Water Testing Kit for Freshwater & Saltwater Fish Tanks – Quick & Accurate NH₃ Detection

Tigerlily Enterprises Ltd

⏳

Test Kits

Tigerlily Enterprises Ammonia Test Strips – 50 Count Aquarium Water Testing Kit for Freshwater & Saltwater Fish Tanks – Quick & Accurate NH₃ Detection

$39.99

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Tigerlily Enterprises 7-in-1 Aquarium Test Strips – 100 Count Water Testing Kit for Freshwater & Saltwater Fish Tanks – Detects pH, GH, KH, NO2, NO3, CL2 – Quick & Accurate Results

Tigerlily Enterprises Ltd

⏳

Test Kits

Tigerlily Enterprises 7-in-1 Aquarium Test Strips – 100 Count Water Testing Kit for Freshwater & Saltwater Fish Tanks – Detects pH, GH, KH, NO2, NO3, CL2 – Quick & Accurate Results

$39.99

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Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

SENSTREE

⏳

Thermometers

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

$46.99

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SENSTREE

⏳

Thermometers

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

$46.99

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SENSTREE

⏳

Thermometers

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

$46.99

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SENSTREE

⏳

Thermometers

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

$46.99

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DIGITEN

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Thermometers

DIGITEN Aquarium Thermometer Digital Fish Tank Thermometer Water Terrarium Temperature Stick-on Thermometer Reptiles Thermometer High Low Alarm for Turtle Lizard Coral Reef

$46.99

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DIGITEN

⏳

Thermometers

DIGITEN Aquarium Thermometer Fish Tank Thermometer with Large LCD Display Water Terrarium Temperature Gauge High Low Alarm Reptile Thermometer Stick On for Turtle Lizard Reef Coral

$54.99

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DIGITEN

⏳

Thermometers

DIGITEN Aquarium Thermometer Digital Fish Tank Thermometer Stick On Water Terrarium Temperature Sensor with Large LCD Display High Low Alarm Reptiles Thermometer for Turtle Lizard Amphibians Reef

$46.99

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DIGITEN

⏳

Thermometers

DIGITEN Aquarium Thermometer Fish Tank Thermometer Stick-on Thermometer for Reptile Digital Aquarium Thermometer High Low Alarm Water Terrarium Temperature Thermometer for Turtle Lizard Snake Coral

$46.99

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AMONIDA

⏳

Water Treatments

AMONIDA CO2 Tablet for Aquarium Plant Growth & Fish Breeding Support, CO2 Aquarium Water Diffuser, Tablet for 20L Water, Once or Twice a Week

$33.99

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Yusat

✓

Water Treatments

Yusat Aquarium Algae Remover, Aquarium Algaecide Algae Control Moss Remover for Pond Fish Tank, Cyanobacteria Treatment/Blue Green Algae Remover for Tropical Aquarium and Freshwater Fish Tank 50g

$23.99

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Safe Home

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Test Kits

Safe Home® DIY Lead in Drinking Water Test Kit – at Home Testing for Lead in City Water or Well Water – Detection to 5ppb – 10 Minute Test – 2-Pack

$114.99

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NEPTONION

⏳

Thermometers

NEPTONION Aquarium Thermometer LCD Digital Aquarium Thermometer with Suction Cup Fish Tank Water Terrarium Temperature for Fish and Reptiles Like Lizard and Turtle

$24.99

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Accurate Hydrometer, Salinity Meter for Salt Water Automatic Temperature Compensation Hydrometer for Aquarium Fish Tank

Atyhao

⏳

Hydrometers

Accurate Hydrometer, Salinity Meter for Salt Water Automatic Temperature Compensation Hydrometer for Aquarium Fish Tank

$24.99

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Aquarium Salinity Meter, Fish Tank Salt Water Salinity Meter Sea Water Hydrometer Seawater Densitometer for Pool Aquarium Water Specific Gravity Test

Atyhao

⏳

Hydrometers

Aquarium Salinity Meter, Fish Tank Salt Water Salinity Meter Sea Water Hydrometer Seawater Densitometer for Pool Aquarium Water Specific Gravity Test

$35.99

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THE 2HR AQUARIST

✓

Water Treatments

THE 2HR AQUARIST All-in-one Aquarium Plant Fertilizer APT 1/ Zero (1000ml)

$131.99

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THE 2HR AQUARIST

✓

Water Treatments

THE 2HR AQUARIST All-in-one Aquarium Plant Fertilizer APT E/Estimative Index (1000ml)

$132.99

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THE 2HR AQUARIST

⏳

Water Treatments

THE 2HR AQUARIST All-in-one Aquarium Plant Fertilizer APT 3/ Complete (1000ml)

$132.99

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Aquarium Thermometer, Submersible Fish Tank Alarm Temperature Meter LCD Digital Waterproof Thermometer with Suction Cup for Tropical Freshwater and Saltwater Ta

Atyhao

⏳

Thermometers

Aquarium Thermometer, Submersible Fish Tank Alarm Temperature Meter LCD Digital Waterproof Thermometer with Suction Cup for Tropical Freshwater and Saltwater Ta

$30.99

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Interpet

⏳

Water Treatments

Interpet Liquid Aquarium Plant Food, Daily use for Lush Green Plants, No Nitrate or Phosphate 125ml

$28.99

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Interpet

⏳

Water Treatments

Interpet Liquid Aquarium Plant CO2 Daily Carbon Boost for Healthy Plant Growth 125ml

$28.99

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Water Quality Testing & Treatment

RO system aquarium – ARKA myAQUA 380 – 380 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for marine & freshwater tanks – complete household setup

Inkbird Digital WiFi Aquarium Thermostat, ITC-306T-WiFi Tank Temperature Controller with Wireless Alarm, Dual Heating Output, Dual Time Cycle Setting

Tigerlily Enterprises Ammonia Test Strips – 50 Count Aquarium Water Testing Kit for Freshwater & Saltwater Fish Tanks – Quick & Accurate NH₃ Detection

Tigerlily Enterprises 7-in-1 Aquarium Test Strips – 100 Count Water Testing Kit for Freshwater & Saltwater Fish Tanks – Detects pH, GH, KH, NO2, NO3, CL2 – Quick & Accurate Results

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

Digital Aquarium Thermometer, Fish Tank Thermometer with Large LCD Display, Stick-on Tank Temp Sensor Ensures Accurate Reading, High/Low-Temperature Alarm Aquarium Thermometer

DIGITEN Aquarium Thermometer Digital Fish Tank Thermometer Water Terrarium Temperature Stick-on Thermometer Reptiles Thermometer High Low Alarm for Turtle Lizard Coral Reef

DIGITEN Aquarium Thermometer Fish Tank Thermometer with Large LCD Display Water Terrarium Temperature Gauge High Low Alarm Reptile Thermometer Stick On for Turtle Lizard Reef Coral

DIGITEN Aquarium Thermometer Digital Fish Tank Thermometer Stick On Water Terrarium Temperature Sensor with Large LCD Display High Low Alarm Reptiles Thermometer for Turtle Lizard Amphibians Reef

DIGITEN Aquarium Thermometer Fish Tank Thermometer Stick-on Thermometer for Reptile Digital Aquarium Thermometer High Low Alarm Water Terrarium Temperature Thermometer for Turtle Lizard Snake Coral

AMONIDA CO2 Tablet for Aquarium Plant Growth & Fish Breeding Support, CO2 Aquarium Water Diffuser, Tablet for 20L Water, Once or Twice a Week

Yusat Aquarium Algae Remover, Aquarium Algaecide Algae Control Moss Remover for Pond Fish Tank, Cyanobacteria Treatment/Blue Green Algae Remover for Tropical Aquarium and Freshwater Fish Tank 50g

Safe Home® DIY Lead in Drinking Water Test Kit – at Home Testing for Lead in City Water or Well Water – Detection to 5ppb – 10 Minute Test – 2-Pack

NEPTONION Aquarium Thermometer LCD Digital Aquarium Thermometer with Suction Cup Fish Tank Water Terrarium Temperature for Fish and Reptiles Like Lizard and Turtle

Accurate Hydrometer, Salinity Meter for Salt Water Automatic Temperature Compensation Hydrometer for Aquarium Fish Tank

Aquarium Salinity Meter, Fish Tank Salt Water Salinity Meter Sea Water Hydrometer Seawater Densitometer for Pool Aquarium Water Specific Gravity Test

THE 2HR AQUARIST All-in-one Aquarium Plant Fertilizer APT 1/ Zero (1000ml)

THE 2HR AQUARIST All-in-one Aquarium Plant Fertilizer APT E/Estimative Index (1000ml)

THE 2HR AQUARIST All-in-one Aquarium Plant Fertilizer APT 3/ Complete (1000ml)

Aquarium Thermometer, Submersible Fish Tank Alarm Temperature Meter LCD Digital Waterproof Thermometer with Suction Cup for Tropical Freshwater and Saltwater Ta

Interpet Liquid Aquarium Plant Food, Daily use for Lush Green Plants, No Nitrate or Phosphate 125ml

Interpet Liquid Aquarium Plant CO2 Daily Carbon Boost for Healthy Plant Growth 125ml

RO system aquarium – ARKA myAQUA 380 – 380 L/day reverse osmosis unit – removes 99% of nitrates, salts & bacteria – water filter & softener for marine & freshwater tanks – complete household setup