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Aquarium Plumbing

At Kraken Corals, we stock a fantastic selection of aquarium supplies for enthusiasts and hobbyists alike, from PVC dosing tubes to lock line adaptors, you can find all the accessories you need at a great price. Whether you are taking the first steps into the world of aquariums or are simply in need of replacement parts for an existing setup, we’ve got the plumbing accessories you need.

Our extensive range covers a variety of aquarium plumbing needs and includes lock line adaptors for connecting RFGs, a variety of reverse osmosis fittings, flexible tube options, and a selection of general connections. These plumbing accessories are essential for the safety, comfort and continued maintenance of your marine life.

We stock professional-grade products from established brands, including Aqua Medic and Red Sea, to help you create the best conditions for your aquarium. Whether you require lock line adapters, RO fittings, flexible tubing, or hard plumbing solutions such as valves and flow pump adapters, Kraken Corals can help you find everything you need to maintain a healthy aquatic environment. Take a look at the full range below and order online for fast UK delivery.

Please Note: Diameters of all our PVC Fittings are measured on the internal diameter and the diameter of our PVC Pipe lengths are measured on the external diameter. This allows our PVC Pipe lengths to slot into our PVC fittings and be solvent glued into place.

32mm PVC Bonded Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£11.99
£11.99 - £11.99
£11.99
in stock

32mm PVC Bonded Tank Connector Bulkhead A premium tank connector which does not reduce the internal diameter on both sides of the tank connector....

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£0.00 - £0.00
£0.00
£11.99
£11.99 - £11.99
£11.99

40mm PVC Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£5.99
£5.99 - £5.99
£5.99
in stock

40mm PVC Tank Connector Bulkhead Used to make a watertight connection between aquarium and the pipe fittings. Please see note below on tank conne...

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£0.00 - £0.00
£0.00
£5.99
£5.99 - £5.99
£5.99

25mm PVC 45 Degree Elbow

£0.00 - £0.00
£0.00
£3.69
£3.69 - £3.69
£3.69
in stock

25mm PVC 45 Degree Elbow Used for permanently joining two pieces of equally sized pipe at a 45-degree angle. Our metric PVC Aquarium / Pond solve...

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£0.00 - £0.00
£0.00
£3.69
£3.69 - £3.69
£3.69

1/4" Push Fit Elbow

£0.00 - £0.00
£0.00
£2.49
£2.49 - £2.49
£2.49
in stock

This is a John Guest fitment usually used in Reverse Osmosis systems. 1/4" Push Fit Elbow RO Component

£0.00 - £0.00
£0.00
£2.49
£2.49 - £2.49
£2.49

32mm PVC Grey Gate Valve

£0.00 - £0.00
£0.00
£44.99
£44.99 - £44.99
£44.99
in stock

32mm Grey Gate Valve Gate valves are used to finely control water flow. The most accurate type of valve, ideal for use on drain lines to control wa...

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£0.00 - £0.00
£0.00
£44.99
£44.99 - £44.99
£44.99

20mm PVC Pipe - 1.3m

£0.00 - £0.00
£0.00
£6.99
£6.99 - £6.99
£6.99
in stock

20mm PVC Pipe - 1.3m  Hard PVC solvent weld pipe compatible with all of our fittings. Due to shipping regulations – we can only supply pipe in ma...

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£0.00 - £0.00
£0.00
£6.99
£6.99 - £6.99
£6.99
Sold out

25mm PVC Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£4.99
£4.99 - £4.99
£4.99
Out of stock

25mm PVC Tank Connector Bulkhead Used to make a watertight connection between aquarium and the pipe fittings. Please see note below on tank conne...

View full details
£0.00 - £0.00
£0.00
£4.99
£4.99 - £4.99
£4.99
Sold out

1/4" BSP Male x 1/4" Push Fit Connection

£0.00 - £0.00
£0.00
£2.49
£2.49 - £2.49
£2.49
in stock

This is a John Guest fitment usually used in Reverse Osmosis systems.

£0.00 - £0.00
£0.00
£2.49
£2.49 - £2.49
£2.49

32mm PVC Pipe - 0.4m

£0.00 - £0.00
£0.00
£4.99
£4.99 - £4.99
£4.99
in stock

32mm PVC Pipe - 0.4m Hard PVC solvent weld pipe compatible with all of our fittings. Also available in 1.3m Lengths. Our metric PVC Aquarium / Po...

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£0.00 - £0.00
£0.00
£4.99
£4.99 - £4.99
£4.99

1/4" Straight Push Fit Connection

£0.00 - £0.00
£0.00
£2.99
£2.99 - £2.99
£2.99
in stock

This is a John Guest fitment usually used in Reverse Osmosis systems.

£0.00 - £0.00
£0.00
£2.99
£2.99 - £2.99
£2.99

32mm PVC Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£5.49
£5.49 - £5.49
£5.49
in stock

32mm PVC Tank Connector Bulkhead Used to make a watertight connection between aquarium and the pipe fittings. Please see note below on tank conne...

View full details
£0.00 - £0.00
£0.00
£5.49
£5.49 - £5.49
£5.49

25mm PVC Tee Piece

£0.00 - £0.00
£0.00
£5.29
£5.29 - £5.29
£5.29
in stock

25mm PVC Tee Piece Used for permanently joining three pieces of equally sized pipe at 90-degree angles. Our metric PVC Aquarium / Pond solvent we...

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£0.00 - £0.00
£0.00
£5.29
£5.29 - £5.29
£5.29

20mm PVC Union Connector

£0.00 - £0.00
£0.00
£4.49
£4.49 - £4.49
£4.49
in stock

20mm PVC Union Connector Used for joining two pieces of equally sized pipe in a straight line but can be unscrewed later for easy access / mainte...

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£0.00 - £0.00
£0.00
£4.49
£4.49 - £4.49
£4.49

40mm PVC 45 Degree Elbow

£0.00 - £0.00
£0.00
£3.89
£3.89 - £3.89
£3.89
in stock

40mm PVC 45 Degree Elbow Used for permanently joining two pieces of equally sized pipe at a 45-degree angle. Our metric PVC Aquarium / Pond solve...

View full details
£0.00 - £0.00
£0.00
£3.89
£3.89 - £3.89
£3.89

32mm PVC 45 Degree Elbow

£0.00 - £0.00
£0.00
£3.79
£3.79 - £3.79
£3.79
in stock

32mm PVC 45 Degree Elbow Used for permanently joining two pieces of equally sized pipe at a 45-degree angle. Our metric PVC Aquarium / Pond solve...

View full details
£0.00 - £0.00
£0.00
£3.79
£3.79 - £3.79
£3.79

25mm PVC Bonded Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£10.49
£10.49 - £10.49
£10.49
in stock

25mm PVC Bonded Tank Connector Bulkhead A premium tank connector which does not reduce the internal diameter on both sides of the tank connector....

View full details
£0.00 - £0.00
£0.00
£10.49
£10.49 - £10.49
£10.49

40mm to 32mm PVC Reducing Bush

£0.00 - £0.00
£0.00
£3.49
£3.49 - £3.49
£3.49
in stock

40mm to 32mm PVC Reducing Bush Used to reduce pipe diameter. The bush simply solvent welds directly into each end of the pipe. Our metric PVC Aqu...

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£0.00 - £0.00
£0.00
£3.49
£3.49 - £3.49
£3.49

20mm PVC Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£4.49
£4.49 - £4.49
£4.49
in stock

20mm PVC Tank Connector Bulkhead Used to make a watertight connection between aquarium and the pipe fittings. Please see note below on tank conne...

View full details
£0.00 - £0.00
£0.00
£4.49
£4.49 - £4.49
£4.49

25mm PVC Pipe Clip

£0.00 - £0.00
£0.00
£2.39
£2.39 - £2.39
£2.39
in stock

25mm PVC Pipe Clip Used to secure pipe to wall / cabinetry to hold securely in place. Our metric PVC Aquarium / Pond solvent weld plumbing is ide...

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£0.00 - £0.00
£0.00
£2.39
£2.39 - £2.39
£2.39

25mm PVC Straight Coupling

£0.00 - £0.00
£0.00
£3.69
£3.69 - £3.69
£3.69
in stock

Finest Aquatics 25mm PVC Straight Coupling Used for permanently joining two pieces of equally sized pipe in a straight line. Our metric PVC Aquar...

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£0.00 - £0.00
£0.00
£3.69
£3.69 - £3.69
£3.69

40mm to 32mm PVC Reducing Connector

£0.00 - £0.00
£0.00
£3.49
£3.49 - £3.49
£3.49
in stock

40mm to 32mm PVC Reducing Connector Used to reduce pipe diameter. Provides less pressure loss than a reducing bush due to gradual reduction to th...

View full details
£0.00 - £0.00
£0.00
£3.49
£3.49 - £3.49
£3.49

40mm PVC Bonded Tank Connector Bulkhead

£0.00 - £0.00
£0.00
£14.99
£14.99 - £14.99
£14.99
in stock

40mm PVC Bonded Tank Connector Bulkhead A premium tank connector which does not reduce the internal diameter on both sides of the tank connector....

View full details
£0.00 - £0.00
£0.00
£14.99
£14.99 - £14.99
£14.99

1/4" Push Fit T-Piece

£0.00 - £0.00
£0.00
£2.99
£2.99 - £2.99
£2.99
in stock

This is a John Guest fitment usually used in Reverse Osmosis systems.1/4"Push Fit T-Piece RO Component

£0.00 - £0.00
£0.00
£2.99
£2.99 - £2.99
£2.99

1/4" Push Fit x 1/4" BSP Male Elbow

£0.00 - £0.00
£0.00
£2.49
£2.49 - £2.49
£2.49
in stock

This is a John Guest fitment usually used in Reverse Osmosis systems.

£0.00 - £0.00
£0.00
£2.49
£2.49 - £2.49
£2.49