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Bringing You the Latest Fresh and Saltwater Aquarium Test Kits

Want to appreciate your beautiful aquarium… without worrying about the wellbeing of your fish? The Aquarium Shop stocks the latest aquarium test kits in electronic and traditional means.

Our devices make it easy to monitor the quality of your aquarium’s water. They provide accurate readings and give you helpful advice to correct any issues with your aquarium.

But what should you look for when testing the quality of your water?

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Viewing page 1 of 2
Seachem Neutral Regulator 250g
Item # 306

Seachem Neutral Regulator 250g

Adjusts pH to 7.0
  • Adjusts pH to neutral (pH 7.0) from either a low or high pH and maintains it there
  • Softens water by precipitating calcium and magnesium
  • Removes chlorine, chloramine, or ...
More info...
Out of stock (Notify Me)
Your Price AU$23.10
API Pond Wide Range pH Test Kit 5-9.0 (160 tests)
Item # APH224

API Pond Wide Range pH Test Kit 5-9.0 (160 tests)

Liquid Test Kit for testing pond pH

Your Price AU$14.80
Kedida Handheld Digital Salinity/Temperature Waterproof Meter CT-3080 for freshwater use
Item # TAS-CT-3080

Kedida Handheld Digital Salinity/Temperature Waterproof Meter CT-3080 for freshwater use

Digital Pen Meter measures up to 0.1% salinity (Note 4 x 1.5 V battery LR44 not Included) *** ON SPECIAL *** Hagen

Features

  • Range:  0 to 1000 mg/L.
  • LCD with indicates both mg/L and temp.
  • Pen type digital TDS meter, all in one, salt electrode included, easy to ...
More info...
Out of stock (Notify Me)
Your Price AU$42.50
(Was AU$69.95 you save AU$27.45
Aquasonic Iron Test Kit
Item # TK530

Aquasonic Iron Test Kit

50 Tests Hagen
  • Correct levels of iron are essential for the growth of aquatic plants, but too much iron could harm both fish and plants. Condensed, but essential information on successfully growing plants ...
More info...
Out of stock (Notify Me)
Your Price AU$32.90
Digital TDS Pen Water Quality Tester
Item # GLF-TDS

Digital TDS Pen Water Quality Tester

Pocket Size TDS Meter (TDS-3) *** Batteries Included ***
  • Handy pocket size pen style TDS meter.
  • Easy to use.
  • Measures Total Dissolved Solids.
  • Automatic temperature compensation.
  • Range: 0.0 to 9990 ...
More info...

Your Price AU$13.95
API Pond Master Liquid Test Kit
Item # APH226

API Pond Master Liquid Test Kit

Complete kit for testing pond and tap water. (500 Tests) Mars Fishcare
  • PondCare Master Test Kit is a complete kit for testing tap water & pond water.
  • Tests water 4 different ways to protect pond fish from dangerous water conditions.
  • Tests ...
More info...

Your Price AU$64.45
API Freshwater Master Test Kit
Item # APH41

API Freshwater Master Test Kit

Over 800 Tests *** ON SPECIAL *** Mars Fishcare
  • Complete Master Test kit for testing tap and aquarium water.
  • Measures the most important levels in your aquarium.
  • Tests five different potentially dangerous water conditions. ...
More info...

Your Price AU$79.95
(Was AU$89.95 you save AU$10.00
API Marine Saltwater Master Test Kit
Item # APH09

API Marine Saltwater Master Test Kit

Over 550 Tests (#401M) Mars Fishcare
  • A complete kit for testing marine, reef and salt water aquariums.
  • Fast,Easy and Accurate.
  • The Saltwater Master liquid Test Kit provides information on how to perform each ...
More info...

Your Price AU$76.80
API Reef Master Test Kit
Item # APH305

API Reef Master Test Kit

Mars Fishcare
  • Essential for reefs.
  • Measures the most important aquarium levels.
  • Tests Calcium, Carbonate Hardness, Phosphate & Nitrate levels quickly and ...
More info...

 
Your Price AU$74.95
API pH Down 37mL
Item # APH19

API pH Down 37mL

Aquarium pH adjuster
  • pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...
More info...

Your Price AU$12.45
API pH Down 118mL
Item # APH161

API pH Down 118mL

Aquarium pH adjuster
  • pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...
More info...

Your Price AU$17.15
API pH Down 473mL
Item # APH19a

API pH Down 473mL

Aquarium pH adjuster - professional size
  • pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...
More info...

Your Price AU$45.70
API pH Up 37mL
Item # APH18

API pH Up 37mL

Aquarium pH adjuster
  • pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...
More info...

Your Price AU$12.00
API pH Up 118mL
Item # APH160

API pH Up 118mL

Aquarium pH adjuster
  • pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...
More info...

Your Price AU$16.20
API pH Up 473mL
Item # APH18a

API pH Up 473mL

Aquarium pH adjuster - professional size
  • pH is the measure of acidic or alkaline conditions of water.  A value of 7.0 corresponds to a neutral pH.  pH values about 7.0 are considered alkaline, and pH values below 7.0 ...
More info...

Your Price AU$44.55
API Proper pH 6.5 powder 240g
Item # APH162

API Proper pH 6.5 powder 240g

Buffer and Water conditioner (#35C) Mars Fishcare
  • Note: Not for use in aquariums containing live plants
  • Sets and holds pH to 6.5
  • Resists pH rebound
  • Removes Chlorine and neutralises ...
More info...

Your Price AU$26.55
API Proper pH 7.0 powder 250g
Item # APH163

API Proper pH 7.0 powder 250g

Buffer and Water conditioner (#39C) Mars Fishcare
  • Note: Not for use in aquariums containing live plants
  • Sets and holds pH to 7.0
  • Resists pH rebound
  • Removes Chlorine and neutralises ...
More info...

Your Price AU$24.95
API Proper pH 7.5 powder 260g
Item # APH164

API Proper pH 7.5 powder 260g

Buffer and Water conditioner (#37C) Mars Fishcare
  • Note: Not for use in aquariums containing live plants
  • Sets and holds pH to 7.5
  • Resists pH rebound
  • Removes Chlorine and neutralises ...
More info...

Your Price AU$24.95
API Proper pH 8.2 powder 200g
Item # APH169

API Proper pH 8.2 powder 200g

Aquarium pH Buffer (#39C) Mars Fishcare
  • Increases carbonate hardness (KH) to hold (or buffer) pH to 8.2
  • Resists pH rebound
  • Perfect for all saltwater, brackish and African Cichlid aquariums 
  • Use: ...
More info...

 
Your Price AU$23.95
API Phosphate PO Test Kit
Item # APH229

API Phosphate PO Test Kit

150 tests Mars Fishcare
  • Phosphate Test Kit.
  • Suitable for Fresh water and Salt water.
  • Phosphate can enter your aquarium through tap water,fish waste, and decaying organics such as uneaten food or dead ...
More info...

Your Price AU$39.95
API KH Test Kit
Item # APH145

API KH Test Kit

Mars Fishcare
  • KH Test Kit.
  • Suitable for fresh and salt water.
  • Carbonate Hardness Test Kit.
  • The Carbonate hardness(KH) of aquarium water should be tested frequently,since water with a low KH ...
More info...

Your Price AU$18.95
API Copper Test Kit
Item # APH230

API Copper Test Kit

90 tests. For Fresh and Saltwater (#65L) *** ON SPECIAL BEST BEFORE/EXPIRY 10/2024 *** Mars Fishcare
  • Copper test kit.
  • For Freshwater and Saltwater aquariums.
  • 90 Tests.
  • Fast, Easy and Accurate.
  • Distributed by Aquarium Pharmaceuticals inc. ...More info...

     
    Your Price AU$28.90
    (Was AU$35.10 you save AU$6.20
API GH and KH Test Kit Freshwater
Item # APH21

API GH and KH Test Kit Freshwater

General Hardness and Carbonate Hardness Mars Fishcare
  • General and Carbonate hardness.
  • Fast,easy and accurate.
  • The Kit contains:
  • 2 liquid dropper bottles with child-resistant safety caps.
  • Easy to read instructions with ...
More info...

Your Price AU$29.85
API Saltwater Calcium Test Kit
Item # APH228

API Saltwater Calcium Test Kit

Monitor calcium for healthy coral growth Mars Fishcare
  • Saltwater
  • Fast, easy and accurate.
  • Calcium is one of the most important elements in a reef aquarium.
  • Reef invertebrates such as corals,crustaceans,mollusks and ...
More info...

 
Your Price AU$32.20
API Fresh and Saltwater Ammonia Test Kit
Item # APH151

API Fresh and Saltwater Ammonia Test Kit

130 Tests Mars Fishcare
  • Suitable for fresh and saltwater aquariums
  • 130 tests
  • Reads Ammonia 0-8 ppm (mg/L)
  • Fast easy and accurate
  • This kit contains:
  • Two dropper bottles for accurate ...
More info...

Your Price AU$32.00
API Fresh and Saltwater High Range pH Test Kit
Item # APH26

API Fresh and Saltwater High Range pH Test Kit

160 Tests Mars Fishcare
  • High range pH test kit
  • 160 tests per kit
  • Reads the pH of water within the high range of 7.4 to 8.8
  • Suitable for fresh and saltwater aquariums
  • Fast, easy and ...
More info...

Your Price AU$19.95
API Fresh and Saltwater Nitrate Test Kit
Item # APH150

API Fresh and Saltwater Nitrate Test Kit

90 Tests Mars Fishcare
  • Suitable for fresh and saltwater aquariums
  • Tests nitrate levels from 0 to 160 ppm (mg/L)
  • 90 tests
  • Fast, easy and accurate
  • This kit contains:
  • Two dropper bottles ...
More info...

Your Price AU$32.40
API Fresh and Saltwater Nitrite Test Kit
Item # APH75

API Fresh and Saltwater Nitrite Test Kit

180 Tests Mars Fishcare
  • Suitable for fresh and saltwater aqauriums
  • This kit tests for harmful nitrite and measures levels from 0 to 5.0 ppm
  • 180 tests
  • Fast, easy and accurate
  • Contains dropper ...
More info...

Your Price AU$25.20
API Freshwater pH Test Kit
Item # APH22

API Freshwater pH Test Kit

250 Tests. pH6.0 to pH7.6 Mars Fishcare
  • Monitor pH to maintain healthy freshwater conditions.
  • This kit contains liquid dropper bottle with child-resistant safety cap,easy to read instructions,color chart and glass test tube ...
More info...

Your Price AU$20.00
API PondCare 5 in 1 Test Strips 25 pack
Item # APH188

API PondCare 5 in 1 Test Strips 25 pack

The fast way to test pond water quality *** ON SPECIAL *** Mars Fishcare
  • The new PondCare 5-In-1 Dip Strips provide distinct variations between colors on the color charts for Easy-To-Read results. The desiccant liner on the container keeps the strips dry ...
More info...

Your Price AU$34.00
(Was AU$43.95 you save AU$9.95
API Freshwater pH Test and Adjuster Kit
Item # APH23

API Freshwater pH Test and Adjuster Kit

Includes pH UP and pH Down. 250 tests Mars Fishcare
  • Reads pH 6.0-7.6
  • 3 bottle kit
  • Monitor and adjust pH to maintain healthy freshwater conditions
  • Fish require a specific pH level to thrive.  However, pH in an ...
More info...

Your Price AU$28.95
API Test Strips 5 in 1
Item # APH303

API Test Strips 5 in 1

Pack of 25. Quick Testing Strips Mars Fishcare
  • 5 in 1 Aquarium Test Strip.
  • Tests pH,NO2,NO3,KH and GH.
  • Measures pH, Nitrite, Nitrate, Carbonate and General Hardness.
  • In order for fish to thrive, water conditions in the ...
More info...

Your Price AU$32.00
API Test Strips 5 in 1
Item # APH317

API Test Strips 5 in 1

Pack of 100. Quick Testing Strips *** ON SPECIAL *** Mars Fishcare
  • 5 in 1 Aquarium Test Strip.
  • Tests pH,NO2,NO3,KH and GH.
  • Measures pH, Nitrite, Nitrate, Carbonate and General Hardness.
  • In order for fish to thrive, water conditions in the ...
More info...

Your Price AU$74.55
(Was AU$89.95 you save AU$15.40
API Test Strips Ammonia
Item # APH300

API Test Strips Ammonia

Mars Fishcare
  • Ammonia Aquarium Test strips.
  • Ammonia in a aquarium can come from several sources including fish waste,uneaten food and other decaying matter.
  • Ammonia is very harmful to ...
More info...

 
Your Price AU$38.90
(Was AU$47.95 you save AU$9.05
API Test Strips pH
Item # APH302

API Test Strips pH

Tests wide range pH 6.0-9.0 25 Tests (#33F) *** ON SPECIAL *** Mars Fishcare
  • pH aquarium Test Strips.
  • pH is the measure of acidity of water,in order for fish to thrive it is important to maintain the aquarium pH at a level similar to their natural habitat. ...
More info...

Your Price AU$25.00
(Was AU$32.95 you save AU$7.95
Aquasonic Carbonate Hardness Generator 1kg Bag
Item # TKP605B

Aquasonic Carbonate Hardness Generator 1kg Bag

Raises and balances pH

Carbonate Hardness (kH) Generator provides a spectrum of kH generators acting to increase the carbonate hardness level in water and provides a more stable pH for longer.

  • Dose Rate: 4g ...
More info...

Your Price AU$21.15
Aquasonic Carbonate Hardness Generator 2.5kg
Item # TKP602

Aquasonic Carbonate Hardness Generator 2.5kg

Raises and balances pH

Carbonate Hardness (kH) Generator provides a spectrum of kH generators acting to increase the carbonate hardness level in water and provides a more stable pH for longer.

  • Dose Rate: 4g ...
More info...

Your Price AU$39.95
Aquasonic Carbonate Hardness Generator 15kg
Item # TKP608

Aquasonic Carbonate Hardness Generator 15kg

Raises and balances pH

Carbonate Hardness (kH) Generator provides a spectrum of kH generators acting to increase the carbonate hardness level in water and provides a more stable pH for longer.

  • Dose Rate: 4g ...
More info...

(Bulky Item)
Your Price AU$168.40
Fluval Nitrate Test Kit 0.0-110.0 mg/L (80 tests)
Item # FLS53

Fluval Nitrate Test Kit 0.0-110.0 mg/L (80 tests)

Complete kit for testing Nitrite
  • Nitrate develops when nitrite is broken down in the final stages of the nitrogen cycle. High levels of Nitrate can lead to algae growth. Test weekly.
  • Test Kit includes: 1 x NO3 ...
More info...

Your Price AU$23.95
Fluval Nitrite Test Kit 0.0-3.3 mg/L (75 tests)
Item # FLS52

Fluval Nitrite Test Kit 0.0-3.3 mg/L (75 tests)

Complete kit for testing Nitrite
  • Nitrite develops when beneficial bacteria break down ammonia. This becomes extremely toxic to fish when high levels of nitrite persist in the aquarium for more than a week. Test ...More info...

     
    Your Price AU$19.95
Fluval Phosphate Test Kit 0.0-5.0 mg/L (75 tests)
Item # FLS54

Fluval Phosphate Test Kit 0.0-5.0 mg/L (75 tests)

Complete kit for testing Phosphate
  • When organic matter decays, phosphates are released into the water and can cause undesirable algae as well as inhibit the growth of hard corals. Test as needed.
  • Test Kit includes: ...
More info...

 
Your Price AU$26.95
Fluval Ammonia Test Kit 0.0-61. mg/L (50 tests)
Item # FLS51

Fluval Ammonia Test Kit 0.0-61. mg/L (50 tests)

Complete kit for testing Ammonia
  • Ammonia is produced when uneaten food and waste decompose. This is highly stressful and toxic to fish if left to accumulate within the aquarium. To know if you have a build up of ammonia, ...
More info...

 
Your Price AU$24.50
Fluval Wide Range pH Test Kit 4.5-9.0 (100 tests)
Item # FLS50

Fluval Wide Range pH Test Kit 4.5-9.0 (100 tests)

Complete kit for testing pH
  • pH variations are a common cause of fish fatality, it is important to test for safe pH levels in your aquarium weekly
  • Test Kit includes: 1 x pH (10 ml); 1 x Pipette; 1 x Glass ...
More info...

 
Your Price AU$17.95
Fluval Master Test Kit Includes Wide pH, Ammonia, Nitrite, Nitrate
Item # FLS60

Fluval Master Test Kit Includes Wide pH, Ammonia, Nitrite, Nitrate

Complete kit for testing freshwater or saltwater
  • Fluval Master Test Kit is a complete kit for essential testing of pH, Ammonia, Nitrite and Nitrate to help maintain a balanced and healthy environment for your fish and plant ...
More info...
Out of stock (Notify Me)
Your Price AU$62.95
Biotope Balance Tropical KH Balance 300g
Item # BTRX0300

Biotope Balance Tropical KH Balance 300g

Phosphate Free. Stabilises pH at 7.00
  • All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
  • Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...
More info...
Out of stock (Notify Me)
Your Price AU$13.00
Biotope Balance for African Cichlid Balance KH Balance 300g
Item # BACX0300

Biotope Balance for African Cichlid Balance KH Balance 300g

Phosphate Free. Stabilises pH at 8.20
  • All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
  • Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...
More info...

Your Price AU$11.70
Biotope Balance for Goldfish/Koi KH Balance 300g
Item # BGFX0300

Biotope Balance for Goldfish/Koi KH Balance 300g

Phosphate Free. Stabilises pH at 7.50
  • All Biotope balance pH stabilisers are totally free from phosphates and will not encourage algae growth
  • Biotope Balance maintains a constant pH in the aquarium by neutralising harmful ...
More info...

Your Price AU$13.00
pH Test Meter Calibration Solution Powder 4.01/6.86
Item # pHCal2

pH Test Meter Calibration Solution Powder 4.01/6.86

Makes up to 250mL
  • Powder in a sealed packet so no "shelf life"
  • Contents will make up to 250ml each
  • Just add water or distilled water. 
  • Be used for Calibration of pH ...
More info...

Your Price AU$2.15
pH Test Meter Calibration Solution Powder 4.01/6.86/9.18
Item # pHCal3

pH Test Meter Calibration Solution Powder 4.01/6.86/9.18

Makes up to 250mL
  • Powder in a sealed packet so no "shelf life"
  • Contents will make up to 250ml each
  • Just add water or distilled water. 
  • Be used for Calibration of pH ...
More info...

Your Price AU$2.85
Aquasonic pH Down Powder 120g
Item # TK506

Aquasonic pH Down Powder 120g

For Reducing Alkalinity (Sodium Bi-phosphate)
  • pH-Down is for reducing alkalinity.
  • It is made from high grade chemicals and works instantly.
  • Re-adjustment can be made within 15 minutes, provided proper circulation is ...
More info...
Out of stock (Notify Me)
Your Price AU$8.65
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