Water Treatments

  • Range of fish tank water treatments
  • Vitamins and additives
  • Remove harmful bacteria

For questions about our aquatic products, please contact us.

Showing all 118 results

Aquarium Systems Start Up Program Marine

4 in Stock
£14.09
RRP: £16.29
SAVE £2.20

Aquarium Systems Reef Evolution Bio Degradeur Unidose

4 in Stock
£12.14
RRP: £13.29
SAVE £1.15

Aquarium Systems Reef Crystals Salt 10kg/300L

Over 50 in Stock
£32.09
RRP: £35.29
SAVE £3.20

Aquarium Systems Reef Crystals Salt 4kg/120L

15 in Stock
£14.58
RRP: £16.19
SAVE £1.61

Aquarium Systems Reef Crystals Salt 20kg/600L

Over 50 in Stock
£53.49
RRP: £58.89
SAVE £5.40

Aquarium Systems SeaTest NH4 Ammonia – 40 Tests

6 in Stock
£19.44
RRP: £21.99
SAVE £2.55

AS SeaTest NO3 Nitrate – 40 Tests

13 in Stock
£19.44
RRP: £21.99
SAVE £2.55

Aquarium Systems SeaTest NO2 Nitrite – 100 Tests

7 in Stock
£19.44
RRP: £21.99
SAVE £2.55

Aquarium Systems SeaTest GH Hardness – 40 Tests

17 in Stock
£17.21
RRP: £19.09
SAVE £1.88

Aquarium Systems SeaTest KH Alkalinity – 100 Tests

12 in Stock
£16.53
RRP: £18.69
SAVE £2.16

Aquarium Systems SeaTest PH – 100 Tests

4 in Stock
£17.49
RRP: £19.49
SAVE £2.00

Aquarium Systems SeaTest MG Magnesium – 40 Tests

14 in Stock
£23.34
RRP: £26.39
SAVE £3.05

Aquarium Systems SeaTest CA Calcium – 40 Tests

16 in Stock
£19.44
RRP: £21.99
SAVE £2.55

Aquarium Systems SeaTest PO4 Phosphate – 40 Tests

16 in Stock
£19.44
RRP: £21.99
SAVE £2.55

Aquarium Systems Nano Maintenance Program Marine

15 in Stock
£9.72
RRP: £10.99
SAVE £1.27

Aquarium Systems Nano Algae Control Program Marine

8 in Stock
£9.72
RRP: £10.99
SAVE £1.27

Aquarium Systems Maintenance Program Marine

5 in Stock
£14.09
RRP: £16.29
SAVE £2.20

Aquarium Systems Instant Ocean Salt 4kg/120L

Over 50 in Stock
£12.64
RRP: £13.99
SAVE £1.35

Aquarium Systems Instant Ocean Salt 20kg/600L

Out of Stock
£46.68
RRP: £52.99
SAVE £6.31

Aquarium Systems Instant Ocean Salt 10x2kg

Over 50 in Stock
£44.74
RRP: £51.99
SAVE £7.25

Aquarium Systems Instant Ocean Salt 10kg/300L

Over 50 in Stock
£27.23
RRP: £29.99
SAVE £2.76

Aquarium Systems Nano Start Up Program Freshwater

8 in Stock
£9.72
RRP: £10.99
SAVE £1.27

Aquarium Systems Nano Maintenance Program Freshwater

8 in Stock
£9.72
RRP: £10.99
SAVE £1.27

Aquarium Systems Nano Algae Control Program Freshwater

14 in Stock
£9.72
RRP: £10.99
SAVE £1.27

Aquarium Systems Maintenance Program Freshwater

6 in Stock
£13.61
RRP: £15.59
SAVE £1.98

Aquarium Systems Start Up Program Freshwater

17 in Stock
£13.61
RRP: £15.59
SAVE £1.98

Aquarium Systems Waste-Away Freshwater 250ml

13 in Stock
£18.37
RRP: £19.99
SAVE £1.62

Aquarium Systems Re-Fresh Freshwater 250ml

11 in Stock
£19.44
RRP: £21.29
SAVE £1.85

Aquarium Systems Waste-Away Gel Freshwater Small

Over 50 in Stock
£16.53
RRP: £18.39
SAVE £1.86

Aquarium Systems Waste-Away Gel Marine Medium

35 in Stock
£25.28
RRP: £28.09
SAVE £2.81

Aquarium Systems Waste-Away Gel Marine Medium

Out of Stock
£13.61
RRP: £15.29
SAVE £1.68

Aquarium Systems Waste-Away Gel Marine Small

3 in Stock
£18.47
RRP: £20.49
SAVE £2.02

Aquarium Systems Waste-Away Gel Marine Small

12 in Stock
£9.72
RRP: £10.79
SAVE £1.07

Aquarium Systems Waste-Away Gel Marine Large x2

12 in Stock
£35.59
RRP: £39.49
SAVE £3.90

Aquarium Systems Waste-Away Gel Marine Large

16 in Stock
£18.96
RRP: £21.09
SAVE £2.13

Aquarium Systems Waste-Away Gel Freshwater Large

Over 50 in Stock
£32.09
RRP: £35.69
SAVE £3.60

Aquarium Systems Waste-Away Gel Freshwater Large

29 in Stock
£18.47
RRP: £20.49
SAVE £2.02

Aquarium Systems Waste-Away Gel Freshwater Medium x2

Over 50 in Stock
£23.34
RRP: £25.99
SAVE £2.65

Aquarium Systems Waste-Away Gel Freshwater Medium

42 in Stock
£12.64
RRP: £13.99
SAVE £1.35

Exo Terra Turtle Clean Water Conditioner 250ml PT1999

Out of Stock
£12.44
RRP: £13.89
SAVE £1.45

Aquarium Systems Colour Up Program Marine

10 in Stock
£12.83
RRP: £14.49
SAVE £1.66

Aquarium Systems Algae Control Program Marine

9 in Stock
£14.09
RRP: £16.29
SAVE £2.20
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Aquarium Systems Algae Control Program Freshwater

2 in Stock
£13.61£12.00
RRP: £15.59
SAVE £3.59

Aquarium Systems First Defense Freshwater 250ml

13 in Stock
£11.66
RRP: £12.79
SAVE £1.13

Aquarium Systems Eco-Balance Probiotic Freshwater 250ml

24 in Stock
£11.66
RRP: £12.79
SAVE £1.13

Aquarium Systems One & Only Freshwater 250ml

28 in Stock
£24.79
RRP: £26.99
SAVE £2.20

Aquarium Systems Clear-Up Freshwater 250ml

3 in Stock
£15.07
RRP: £16.49
SAVE £1.42

Aquarium Systems Instant Cichlid Salt 400g/2250L

8 in Stock
£12.05
RRP: £13.49
SAVE £1.44

Dr Tim’s Ammonium Chloride 2oz

Over 50 in Stock
£3.88
RRP: £4.29
SAVE £0.41

Dr Tim’s Ammonium Chloride 4oz

Over 50 in Stock
£5.83
RRP: £6.49
SAVE £0.66

Dr Tim’s Freshwater One And Only 2oz – (30gal)

32 in Stock
£13.71
RRP: £15.29
SAVE £1.58

Dr Tim’s Freshwater One And Only 4oz – (60gal)

Over 50 in Stock
£24.31
RRP: £26.99
SAVE £2.68

Dr Tim’s Freshwater One And Only 8oz – (120gal)

25 in Stock
£36.96
RRP: £40.99
SAVE £4.03

Dr Tim’s Freshwater One And Only 16oz – (240gal)

11 in Stock
£69.06
RRP: £76.69
SAVE £7.63

Dr Tim’s Freshwater AquaCleanse 4oz – (240gal)

Over 50 in Stock
£6.31
RRP: £6.99
SAVE £0.68

Dr Tim’s Freshwater AquaCleanse 8oz – (480gal)

20 in Stock
£9.23
RRP: £10.29
SAVE £1.06

Dr Tim’s Freshwater AquaCleanse 16oz – (960gal)

14 in Stock
£12.64
RRP: £13.99
SAVE £1.35

Dr Tim’s Freshwater AquaCleanse 32oz – (1920gal)

1 in Stock
£20.42
RRP: £22.69
SAVE £2.27

Dr Tim’s Freshwater First Defence 4oz – (240gal)

2 in Stock
£8.26
RRP: £9.19
SAVE £0.93

Dr Tim’s Freshwater First Defence 8oz – (480gal)

6 in Stock
£13.12
RRP: £14.59
SAVE £1.47

Dr Tim’s Freshwater First Defence 16oz – (960gal)

7 in Stock
£18.47
RRP: £20.49
SAVE £2.02

Dr Tim’s Freshwater Clear Up 4oz – (240gal)

1 in Stock
£9.91
RRP: £10.99
SAVE £1.08

Dr Tim’s Freshwater Clear Up 8oz – (480gal)

18 in Stock
£16.53
RRP: £18.39
SAVE £1.86

Dr Tim’s Freshwater Clear Up 16oz – (960gal)

2 in Stock
£25.28
RRP: £28.09
SAVE £2.81

Dr Tim’s Freshwater Re-Fresh 4oz – (240gal)

1 in Stock
£13.12
RRP: £14.59
SAVE £1.47

Dr Tim’s Freshwater Re-Fresh 8oz – (480gal)

5 in Stock
£23.34
RRP: £25.99
SAVE £2.65

Dr Tim’s Freshwater Re-Fresh 16oz – (960gal)

2 in Stock
£38.89
RRP: £43.19
SAVE £4.30

Dr Tim’s Freshwater Eco-Balance 4oz – (120gal)

3 in Stock
£9.23
RRP: £10.29
SAVE £1.06

Dr Tim’s Freshwater Eco-Balance 8oz – (240gal)

4 in Stock
£12.64
RRP: £13.99
SAVE £1.35

Dr Tim’s Freshwater Eco-Balance 16oz – (480gal)

5 in Stock
£17.49
RRP: £19.49
SAVE £2.00

Dr Tim’s Freshwater Waste-Away 4oz – (120gal)

25 in Stock
£8.84
RRP: £9.89
SAVE £1.05

Dr Tim’s Freshwater Waste-Away 8oz – (240gal)

7 in Stock
£14.58
RRP: £16.19
SAVE £1.61

Dr Tim’s Freshwater Waste-Away 16oz – (480gal)

8 in Stock
£20.42
RRP: £22.69
SAVE £2.27

Dr Tim’s Reef One And Only 2oz – (30gal)

23 in Stock
£15.56
RRP: £17.29
SAVE £1.73

Dr Tim’s Reef One And Only 4oz – (60gal)

Over 50 in Stock
£26.26
RRP: £29.19
SAVE £2.93

Dr Tim’s Reef One And Only 8oz – (120gal)

Out of Stock
£40.36
RRP: £44.89
SAVE £4.53

Dr Tim’s Reef One And Only 16oz – (240gal)

22 in Stock
£71.97
RRP: £79.99
SAVE £8.02

Dr Tim’s Reef One And Only 32oz – (480gal)

4 in Stock
£140.06
RRP: £155.49
SAVE £15.43

Dr Tim’s Reef First Defence 4oz – (240gal)

11 in Stock
£8.26
RRP: £9.19
SAVE £0.93

Dr Tim’s Reef First Defence 8oz – (480gal)

21 in Stock
£13.12
RRP: £14.59
SAVE £1.47

Dr Tim’s Reef First Defence 16oz – (960gal)

3 in Stock
£18.47
RRP: £20.49
SAVE £2.02

Dr Tim’s Reef First Defence 32oz – (1920gal)

Out of Stock
£32.09
RRP: £35.69
SAVE £3.60

Dr Tim’s Reef Clear Up 4oz – (240gal)

13 in Stock
£10.69
RRP: £11.89
SAVE £1.20

Dr Tim’s Reef Clear Up 8oz – (480gal)

7 in Stock
£17.49
RRP: £19.49
SAVE £2.00

Dr Tim’s Reef Clear Up 16oz – (960gal)

4 in Stock
£26.26
RRP: £29.19
SAVE £2.93

Dr Tim’s Reef Clear Up 32oz – (1920gal)

2 in Stock
£47.66
RRP: £52.99
SAVE £5.33

Dr Tim’s Reef Re-Fresh 4oz – (240gal)

31 in Stock
£12.64
RRP: £13.99
SAVE £1.35

Dr Tim’s Reef Re-Fresh 8oz – (480gal)

12 in Stock
£24.31
RRP: £26.99
SAVE £2.68

Dr Tim’s Reef Re-Fresh 16oz – (960gal)

5 in Stock
£38.89
RRP: £43.19
SAVE £4.30

Dr Tim’s Reef Re-Fresh 32oz – (1920gal)

2 in Stock
£74.89
RRP: £83.19
SAVE £8.30

Dr Tim’s Reef Eco-Balance 4oz – (120gal)

39 in Stock
£8.84
RRP: £9.89
SAVE £1.05

Dr Tim’s Reef Eco-Balance 8oz – (240gal)

Out of Stock
£13.61
RRP: £15.19
SAVE £1.58

Dr Tim’s Reef Eco-Balance 16oz – (480gal)

8 in Stock
£17.99
RRP: £19.99
SAVE £2.00

Dr Tim’s Reef Eco-Balance 32oz – (960gal)

1 in Stock
£30.14
RRP: £33.49
SAVE £3.35

Dr Tim’s Reef Waste-Away 4oz – (120gal)

Over 50 in Stock
£9.72
RRP: £10.79
SAVE £1.07

Dr Tim’s Reef Waste-Away 8oz – (240gal)

Out of Stock
£14.58
RRP: £16.19
SAVE £1.61

Dr Tim’s Reef Waste-Away 16oz – (480gal)

Out of Stock
£20.42
RRP: £22.69
SAVE £2.27

Dr Tim’s Reef Waste-Away 32oz – (960gal)

4 in Stock
£35.98
RRP: £39.99
SAVE £4.01

Exo Terra Aquatize Water Conditioner 120ml PT1979

Over 50 in Stock
£7.77
RRP: £8.39
SAVE £0.62

King British Turtle&Terr. Multi-Vit 20ml

6 in Stock
£4.56
RRP: £4.69
SAVE £0.13

King British Turtle Water Freshen, 100ml

Out of Stock
£5.93
RRP: £6.09
SAVE £0.16

Exo Terra Turtle Clean Water Conditioner

3 in Stock
£7.48
RRP: £8.39
SAVE £0.91

Aquarium Systems Nano Start Up Program Marine

13 in Stock
£9.72
RRP: £10.99
SAVE £1.27

Aquarium Systems Reef Evolution Bio Degradeur 250ml

24 in Stock
£18.47
RRP: £20.49
SAVE £2.02

Aquarium Systems Sea Buffer pH Booster Powder 1000g

6 in Stock
£35.01
RRP: £38.89
SAVE £3.88

Aquarium Systems Sea Buffer pH Booster Powder 500g

9 in Stock
£22.17
RRP: £24.99
SAVE £2.82

Aquarium Systems Reef Evolution Reef Elements 250ml

24 in Stock
£16.53
RRP: £18.19
SAVE £1.66

Aquarium Systems Reef Evolution Reef Tonic 1 & 2, 2x500ml

7 in Stock
£12.44
RRP: £13.69
SAVE £1.25

Aquarium Systems Reef Evolution ReefKalk 500g

8 in Stock
£24.79
RRP: £27.49
SAVE £2.70

Aquarium Systems Reef Evolution Magnesium Concentrate 250ml

8 in Stock
£12.44
RRP: £13.69
SAVE £1.25

Aquarium Systems Reef Evolution Strontium Concentrate 250ml

6 in Stock
£12.44
RRP: £13.69
SAVE £1.25

Aquarium Systems Reef Evolution Calcium Concentrate 250ml

21 in Stock
£12.44
RRP: £13.69
SAVE £1.25

Aquarium Systems Reef Evolution Waste-Away 250ml

4 in Stock
£17.99
RRP: £19.89
SAVE £1.90

Aquarium Systems Reef Evolution Re-Fresh 250ml

9 in Stock
£19.93
RRP: £21.89
SAVE £1.96

Aquarium Systems Reef Evolution First Defense 250ml

21 in Stock
£12.14
RRP: £13.29
SAVE £1.15

Aquarium Systems Reef Evolution Eco-Balance Probiotic 250ml

16 in Stock
£12.14
RRP: £13.29
SAVE £1.15

Aquarium Systems Reef Evolution One & Only 250ml

12 in Stock
£24.79
RRP: £26.99
SAVE £2.20

Aquarium Systems Reef Evolution Coralline Booster 250ml

5 in Stock
£16.53
RRP: £18.19
SAVE £1.66