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 73 results

Aquarium Systems Start Up Program Marine

9 in Stock
£13.17
RRP: £14.49
SAVE £1.32

Aquarium Systems Reef Evolution Bio Degradeur Unidose

4 in Stock
£11.35
RRP: £12.49
SAVE £1.14

Aquarium Systems Reef Crystals Salt 10kg/300L

17 in Stock
£29.99
RRP: £32.99
SAVE £3.00

Aquarium Systems Reef Crystals Salt 4kg/120L

15 in Stock
£13.63
RRP: £14.99
SAVE £1.36

Aquarium Systems Reef Crystals Salt 20kg/600L

36 in Stock
£49.99
RRP: £54.99
SAVE £5.00

Aquarium Systems SeaTest NH4 Ammonia – 40 Tests

9 in Stock
£18.17
RRP: £19.99
SAVE £1.82

AS SeaTest NO3 Nitrate – 40 Tests

11 in Stock
£18.17
RRP: £19.99
SAVE £1.82

Aquarium Systems SeaTest NO2 Nitrite – 100 Tests

11 in Stock
£18.17
RRP: £19.99
SAVE £1.82

Aquarium Systems SeaTest KH Alkalinity – 100 Tests

4 in Stock
£15.45
RRP: £16.99
SAVE £1.54

Aquarium Systems SeaTest PH – 100 Tests

7 in Stock
£16.35
RRP: £17.99
SAVE £1.64

Aquarium Systems SeaTest MG Magnesium – 40 Tests

5 in Stock
£21.81
RRP: £23.99
SAVE £2.18

Aquarium Systems SeaTest CA Calcium – 40 Tests

5 in Stock
£18.17
RRP: £19.99
SAVE £1.82

Aquarium Systems SeaTest PO4 Phosphate – 40 Tests

7 in Stock
£18.17
RRP: £19.99
SAVE £1.82

Aquarium Systems Nano Maintenance Program Marine

6 in Stock
£9.08
RRP: £9.99
SAVE £0.91

Aquarium Systems Nano Algae Control Program Marine

9 in Stock
£9.08
RRP: £9.99
SAVE £0.91

Aquarium Systems Maintenance Program Marine

6 in Stock
£13.17
RRP: £14.49
SAVE £1.32

Aquarium Systems Instant Ocean Salt 4kg/120L

10 in Stock
£11.81
RRP: £12.99
SAVE £1.18

Aquarium Systems Instant Ocean Salt 20kg/600L

Over 50 in Stock
£43.63
RRP: £47.99
SAVE £4.36

Aquarium Systems Instant Ocean Salt 10x2kg

Over 50 in Stock
£41.81
RRP: £45.99
SAVE £4.18

Aquarium Systems Instant Ocean Salt 10kg/300L

12 in Stock
£25.45
RRP: £27.99
SAVE £2.54

Aquarium Systems Waste-Away Gel Marine Medium

20 in Stock
£23.63
RRP: £25.99
SAVE £2.36

Aquarium Systems Waste-Away Gel Marine Medium

13 in Stock
£12.72
RRP: £13.99
SAVE £1.27

Aquarium Systems Waste-Away Gel Marine Small

10 in Stock
£17.26
RRP: £18.99
SAVE £1.73

Aquarium Systems Waste-Away Gel Marine Small

14 in Stock
£9.08
RRP: £9.99
SAVE £0.91

Aquarium Systems Waste-Away Gel Marine Large x2

12 in Stock
£33.26
RRP: £36.59
SAVE £3.33

Aquarium Systems Waste-Away Gel Marine Large

9 in Stock
£17.72
RRP: £19.49
SAVE £1.77

Aquarium Systems Colour Up Program Marine

10 in Stock
£11.99
RRP: £13.19
SAVE £1.20

Aquarium Systems Algae Control Program Marine

17 in Stock
£13.17
RRP: £14.49
SAVE £1.32

Aquarium Systems First Defense Freshwater 250ml

24 in Stock
£10.90
RRP: £11.99
SAVE £1.09

Dr Tim’s Ammonium Chloride 2oz

Over 50 in Stock
£3.63
RRP: £3.99
SAVE £0.36

Dr Tim’s Ammonium Chloride 4oz

Over 50 in Stock
£5.45
RRP: £5.99
SAVE £0.54

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

9 in Stock
£13.63
RRP: £14.99
SAVE £1.36

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

Over 50 in Stock
£14.54
RRP: £15.99
SAVE £1.45

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

Over 50 in Stock
£24.54
RRP: £26.99
SAVE £2.45

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

40 in Stock
£37.72
RRP: £41.49
SAVE £3.77

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

7 in Stock
£67.26
RRP: £73.99
SAVE £6.73

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

2 in Stock
£130.90
RRP: £143.99
SAVE £13.09

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

1 in Stock
£7.72
RRP: £8.49
SAVE £0.77

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

18 in Stock
£12.26
RRP: £13.49
SAVE £1.23

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

12 in Stock
£17.26
RRP: £18.99
SAVE £1.73

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

1 in Stock
£29.99
RRP: £32.99
SAVE £3.00

Dr Tim’s Reef Clear Up 4oz – (240gal)

27 in Stock
£9.99
RRP: £10.99
SAVE £1.00

Dr Tim’s Reef Clear Up 8oz – (480gal)

9 in Stock
£16.35
RRP: £17.99
SAVE £1.64

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

2 in Stock
£24.54
RRP: £26.99
SAVE £2.45

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

2 in Stock
£44.54
RRP: £48.99
SAVE £4.45

Dr Tim’s Reef Re-Fresh 4oz – (240gal)

43 in Stock
£11.81
RRP: £12.99
SAVE £1.18

Dr Tim’s Reef Re-Fresh 8oz – (480gal)

26 in Stock
£22.72
RRP: £24.99
SAVE £2.27

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

15 in Stock
£36.35
RRP: £39.99
SAVE £3.64

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

2 in Stock
£69.99
RRP: £76.99
SAVE £7.00

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

48 in Stock
£8.26
RRP: £9.09
SAVE £0.83

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

23 in Stock
£12.72
RRP: £13.99
SAVE £1.27

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

2 in Stock
£16.81
RRP: £18.49
SAVE £1.68

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

1 in Stock
£28.17
RRP: £30.99
SAVE £2.82

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

22 in Stock
£9.08
RRP: £9.99
SAVE £0.91

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

28 in Stock
£13.63
RRP: £14.99
SAVE £1.36

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

16 in Stock
£19.08
RRP: £20.99
SAVE £1.91

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

2 in Stock
£33.63
RRP: £36.99
SAVE £3.36

Aquarium Systems Nano Start Up Program Marine

6 in Stock
£9.08
RRP: £9.99
SAVE £0.91

Aquarium Systems Reef Evolution Bio Degradeur 250ml

6 in Stock
£17.26
RRP: £18.99
SAVE £1.73

Aquarium Systems Sea Buffer pH Booster Powder 1000g

2 in Stock
£32.72
RRP: £35.99
SAVE £3.27

Aquarium Systems Sea Buffer pH Booster Powder 500g

10 in Stock
£20.72
RRP: £22.79
SAVE £2.07

Aquarium Systems Reef Evolution Reef Elements 250ml

25 in Stock
£15.45
RRP: £16.99
SAVE £1.54

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

2 in Stock
£11.63
RRP: £12.79
SAVE £1.16

Aquarium Systems Reef Evolution ReefKalk 500g

2 in Stock
£23.17
RRP: £25.49
SAVE £2.32

Aquarium Systems Reef Evolution Magnesium Concentrate 250ml

3 in Stock
£11.63
RRP: £12.79
SAVE £1.16

Aquarium Systems Reef Evolution Strontium Concentrate 250ml

6 in Stock
£11.63
RRP: £12.79
SAVE £1.16

Aquarium Systems Reef Evolution Calcium Concentrate 250ml

24 in Stock
£11.63
RRP: £12.79
SAVE £1.16

Aquarium Systems Reef Evolution Waste-Away 250ml

11 in Stock
£16.81
RRP: £18.49
SAVE £1.68

Aquarium Systems Reef Evolution Re-Fresh 250ml

11 in Stock
£18.63
RRP: £20.49
SAVE £1.86

Aquarium Systems Reef Evolution First Defense 250ml

13 in Stock
£11.35
RRP: £12.49
SAVE £1.14

Aquarium Systems Reef Evolution Eco-Balance Probiotic 250ml

7 in Stock
£11.35
RRP: £12.49
SAVE £1.14

Aquarium Systems Reef Evolution One & Only 250ml

16 in Stock
£23.17
RRP: £25.49
SAVE £2.32

Aquarium Systems Reef Evolution Coralline Booster 250ml

7 in Stock
£15.45
RRP: £16.99
SAVE £1.54