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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.

Filters

32mm PVC Double Union Ball Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£14.99
£14.99 - £14.99
Current price £14.99

32mm PVC Double Union Ball Valve Used to regulate or stop water flow down the pipe. The unions on both sides allow the valve to be easily disconn...

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Original price £0.00 - Original price £0.00
Original price £0.00
£14.99
£14.99 - £14.99
Current price £14.99

25mm PVC Double Union Ball Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£11.99
£11.99 - £11.99
Current price £11.99

25mm PVC Double Union Ball Valve Used to regulate or stop water flow down the pipe. The unions on both sides allow the valve to be easily disconn...

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Original price £0.00 - Original price £0.00
Original price £0.00
£11.99
£11.99 - £11.99
Current price £11.99

40mm PVC Pipe Clip

Original price £0.00 - Original price £0.00
Original price £0.00
£2.59
£2.59 - £2.59
Current price £2.59

40mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£2.59
£2.59 - £2.59
Current price £2.59

32mm PVC None Return Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£16.99
£16.99 - £16.99
Current price £16.99

32mm PVC None Return Valve Used to prevent water back siphoning down the pipe when water pump is stopped. Ideal for applications where there is l...

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Original price £0.00 - Original price £0.00
Original price £0.00
£16.99
£16.99 - £16.99
Current price £16.99

40mm PVC Union Connector

Original price £0.00 - Original price £0.00
Original price £0.00
£4.89
£4.89 - £4.89
Current price £4.89

40mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£4.89
£4.89 - £4.89
Current price £4.89

40mm PVC End Cap

Original price £0.00 - Original price £0.00
Original price £0.00
£3.89
£3.89 - £3.89
Current price £3.89

40mm PVC End Cap Used to permanently seal the end of a piece of pipe. Our metric PVC Aquarium / Pond solvent weld plumbing is ideal for various p...

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Original price £0.00 - Original price £0.00
Original price £0.00
£3.89
£3.89 - £3.89
Current price £3.89

20mm PVC End Cap

Original price £0.00 - Original price £0.00
Original price £0.00
£3.49
£3.49 - £3.49
Current price £3.49

20mm PVC End Cap Used to permanently seal the end of a piece of pipe. Our metric PVC Aquarium / Pond solvent weld plumbing is ideal for various p...

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Original price £0.00 - Original price £0.00
Original price £0.00
£3.49
£3.49 - £3.49
Current price £3.49

40mm PVC Tee Piece

Original price £0.00 - Original price £0.00
Original price £0.00
£5.69
£5.69 - £5.69
Current price £5.69

40mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£5.69
£5.69 - £5.69
Current price £5.69

25mm PVC Tee Piece

Original price £0.00 - Original price £0.00
Original price £0.00
£5.29
£5.29 - £5.29
Current price £5.29

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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Original price £0.00 - Original price £0.00
Original price £0.00
£5.29
£5.29 - £5.29
Current price £5.29

20mm PVC Tee Piece

Original price £0.00 - Original price £0.00
Original price £0.00
£4.99
£4.99 - £4.99
Current price £4.99

20mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£4.99
£4.99 - £4.99
Current price £4.99

25mm PVC 90 Degree Swept Elbow

Original price £0.00 - Original price £0.00
Original price £0.00
£4.99
£4.99 - £4.99
Current price £4.99

25mm PVC 90 Degree Swept Elbow Used to create a less harsh 90-degree angle bend between two pieces of equally sized pipe pieces. The use of a swe...

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Original price £0.00 - Original price £0.00
Original price £0.00
£4.99
£4.99 - £4.99
Current price £4.99

50mm PVC 90 Degree Elbow

Original price £0.00 - Original price £0.00
Original price £0.00
£3.99
£3.99 - £3.99
Current price £3.99

50mm PVC 90 Degree Elbow Used for permanently joining two pieces of equally sized pipe at a 90-degree angle. Our metric PVC Aquarium / Pond solve...

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Original price £0.00 - Original price £0.00
Original price £0.00
£3.99
£3.99 - £3.99
Current price £3.99

40mm PVC 45 Degree Elbow

Original price £0.00 - Original price £0.00
Original price £0.00
£3.89
£3.89 - £3.89
Current price £3.89

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...

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Original price £0.00 - Original price £0.00
Original price £0.00
£3.89
£3.89 - £3.89
Current price £3.89

50mm PVC Straight Coupling

Original price £0.00 - Original price £0.00
Original price £0.00
£3.99
£3.99 - £3.99
Current price £3.99

Finest Aquatics 50mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£3.99
£3.99 - £3.99
Current price £3.99

20mm PVC Straight Coupling

Original price £0.00 - Original price £0.00
Original price £0.00
£3.49
£3.49 - £3.49
Current price £3.49

Finest Aquatics 20mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£3.49
£3.49 - £3.49
Current price £3.49

1/4" Push Fit T-Piece

Original price £0.00 - Original price £0.00
Original price £0.00
£2.99
£2.99 - £2.99
Current price £2.99

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

Original price £0.00 - Original price £0.00
Original price £0.00
£2.99
£2.99 - £2.99
Current price £2.99

1/4" Push Fit Elbow

Original price £0.00 - Original price £0.00
Original price £0.00
£2.49
£2.49 - £2.49
Current price £2.49

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

Original price £0.00 - Original price £0.00
Original price £0.00
£2.49
£2.49 - £2.49
Current price £2.49

1/4" Push Fit Y-Connector

Original price £0.00 - Original price £0.00
Original price £0.00
£3.50
£3.50 - £3.50
Current price £3.50

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

Original price £0.00 - Original price £0.00
Original price £0.00
£3.50
£3.50 - £3.50
Current price £3.50

VCA 1" Randon Flow Generator

Original price £0.00 - Original price £0.00
Original price £0.00
£39.99
£39.99 - £39.99
Current price £39.99

A Random Flow GeneratorWith No Moving Parts.The internal structure of the RFG Nozzle is comprised of a 5-vane helix that spirals nearly the entire ...

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Original price £0.00 - Original price £0.00
Original price £0.00
£39.99
£39.99 - £39.99
Current price £39.99

VCA Aqua One Modular Hose Adapter (VCA022)

Original price £0.00 - Original price £0.00
Original price £0.00
£11.99
£11.99 - £11.99
Current price £11.99

This new adptor allows your customers to add a random flow generator to their Aqua One Aquarium

Original price £0.00 - Original price £0.00
Original price £0.00
£11.99
£11.99 - £11.99
Current price £11.99

Eheim 25/34mm hose (per meter)

Original price £0.00 - Original price £0.00
Original price £0.00
£7.30
£7.30 - £7.30
Current price £7.30

Eheim 25/34mm hose has 25mm Internal Diameter, 34mm Outside Diameter. Price is per meter

Original price £0.00 - Original price £0.00
Original price £0.00
£7.30
£7.30 - £7.30
Current price £7.30
Sold out

Kamoer 4x6mm PVC Dosing Tube Pipe per meter

Original price £0.00 - Original price £0.00
Original price £0.00
£1.30
£1.30 - £1.30
Current price £1.30

4mm x 6mm PVC tubing, ideal for dosing pumps of all types and brandsKamoer 4x6mm PVC Dosing Tube Pipe sold per meter. If you order multiple metres ...

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Original price £0.00 - Original price £0.00
Original price £0.00
£1.30
£1.30 - £1.30
Current price £1.30
Sold out

Ista 8mm PVC Hose Tubing

Original price £0.00 - Original price £0.00
Original price £0.00
£4.99 - £5.99
£4.99 - £5.99
Current price £4.99

Ista 8mm PVC Hose TubingIsta flexible hose available in a range of hose diameters and lengths. Suitable for all aquarium applications including ext...

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Original price £0.00 - Original price £0.00
Original price £0.00
£4.99 - £5.99
£4.99 - £5.99
Current price £4.99

Ista Aquarium Hose Holder

Original price £0.00 - Original price £0.00
Original price £0.00
£4.99
£4.99 - £4.99
Current price £4.99

Ista Aquarium Hose HolderThe Ista Hose Holder is ideal for securely holding hoses on to your aquarium during water changing. The clip is able to be...

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Original price £0.00 - Original price £0.00
Original price £0.00
£4.99
£4.99 - £4.99
Current price £4.99
Sold out