Aquariums,Marine & Ponds

Our Aquariums, Marine & Ponds products category features water testing solutions designed to keep aquatic environments healthy and balanced. These products measure key parameters such as pH, ammonia, nitrite, nitrate, and chlorine, helping you maintain safe water for fish, plants, and other aquatic life. Easy to use and reliable, they’re perfect for hobbyists and professionals alike, ensuring your aquariums, marine tanks, and ponds stay clean, clear, and thriving.

Filters

Sort by:

63 products

Save £3.75
Hanna Instruments-764 Nitrite (Marine ULR) Handheld Colorimeter - Checker®HCHanna Instruments-764 Nitrite (Marine ULR) Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-764 Nitrite (Marine ULR) Handheld Colorimeter - Checker®HC Sale price£71.35 Regular price£75.10
Lovibond Ammonia Reagent No 1 - 65ml
Lovibond
Lovibond Ammonia Reagent No 1 - 65ml Sale price£15.53
Lovibond Ammonia Reagent No 2 - 65ml
Lovibond
Lovibond Ammonia Reagent No 2 - 65ml Sale price£15.53
Lovibond Ammonia Reagent 3 Vial
Lovibond
Lovibond Ammonia Reagent 3 Vial Sale price£21.69
Save £2.93
Lovibond Nitrate/Nitrite reagent 1 - 65ml
Lovibond
Lovibond Nitrate/Nitrite reagent 1 - 65ml Sale price£19.61 Regular price£22.54
Lovibond Nitrate/Nitrite reagent 1 8 mlLovibond Nitrate/Nitrite reagent 1 8 ml
Lovibond
Lovibond Nitrate/Nitrite reagent 1 8 ml Sale price£14.58
Save £4.51
Hanna Instruments-706 Phosphorus High Range Handheld Colorimeter - Checker®HCHanna Instruments-706 Phosphorus High Range Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-706 Phosphorus High Range Handheld Colorimeter - Checker®HC Sale price£85.69 Regular price£90.20
Save £3.75
Hanna Instruments-701 Free Chlorine Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-701 Free Chlorine Handheld Colorimeter - Checker®HC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments-717 High Range Phosphate Colorimeter - Checker HCHanna Instruments-717 High Range Phosphate Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments-717 High Range Phosphate Colorimeter - Checker HC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments-721 High Range Iron Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-721 High Range Iron Handheld Colorimeter - Checker®HC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm)Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm)
Hanna Instruments
Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm) Sale price£71.35 Regular price£75.10
Save £4.51
Hanna Instruments-715 Ammonia Medium Range Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-715 Ammonia Medium Range Handheld Colorimeter - Checker®HC Sale price£85.69 Regular price£90.20
Save £4.51
Hanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HCHanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HC
Hanna Instruments
Hanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HC Sale price£85.69 Regular price£90.20
Save £3.75
Hanna Instruments-711 Total Chlorine Handheld Colorimeter - Checker®HCHanna Instruments-711 Total Chlorine Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-711 Total Chlorine Handheld Colorimeter - Checker®HC Sale priceFrom £30.00
On sale
Palintest Nitrite (Nitricol) Photometer ReagentsPalintest Nitrite (Nitricol) Photometer Reagents
Palintest
Palintest Nitrite (Nitricol) Photometer Reagents Sale priceFrom £22.41 Regular price£24.90
Save £14.43
Palintest Ammonia ReagentsPalintest Ammonia Reagents
Palintest
Palintest Ammonia Reagents Sale price£81.77 Regular price£96.20
Save £25.50
Palintest Nitrate (Nitratest) Photometer ReagentsPalintest Nitrate (Nitratest) Photometer Reagents
Palintest
Palintest Nitrate (Nitratest) Photometer Reagents Sale price£144.50 Regular price£170.00
On sale
Palintest Nitrite (Nitriphot) Photometer ReagentsPalintest Nitrite (Nitriphot) Photometer Reagents
Palintest
Palintest Nitrite (Nitriphot) Photometer Reagents Sale priceFrom £46.17 Regular price£51.30
Save £4.51
Hanna Instruments HI-98319 Waterproof Salinity TesterHanna Instruments HI-98319 Waterproof Salinity Tester
Hanna Instruments
Hanna Instruments HI-98319 Waterproof Salinity Tester Sale price£85.79 Regular price£90.30
Test All Water DPD No 4 & pH Water Test Block and TabletsTest All Water DPD No 4 & pH Water Test Block and Tablets
TEST ALL WATER
Test All Water DPD No 4 & pH Water Test Block and Tablets Sale price£10.50
Save £3.75
Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC
Hanna Instruments
Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments HI-708 Nitrite High Range Handheld Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments HI-708 Nitrite High Range Handheld Colorimeter - Checker HC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments HI-713 Phosphate Low Range Handheld Colorimeter - Checker HCHanna Instruments HI-713 Phosphate Low Range Handheld Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments HI-713 Phosphate Low Range Handheld Colorimeter - Checker HC Sale price£71.35 Regular price£75.10
Save £3.75
Hanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HCHanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC
Hanna Instruments
Hanna Instruments HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker HC Sale price£71.35 Regular price£75.10

International Delivery

For small orders & export tenders

12,000+ PRODUCTS

From the Market Leaders

Support & Trade Accounts

Contact Us for Support & Trade Accounts

Secure payments

Online payments securely administed by Shopify