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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

40mm PVC 90 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 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
£3.89
£3.89 - £3.89
Current price £3.89

1/4" Push Fit Non-Return Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£5.59
£5.59 - £5.59
Current price £5.59

This is a John Guest fitment usually used in Reverse Osmosis systems.1/4" Puch Fit Non-Return Valve RO Component

Original price £0.00 - Original price £0.00
Original price £0.00
£5.59
£5.59 - £5.59
Current price £5.59

32mm PVC Pipe - 0.4m

Original price £0.00 - Original price £0.00
Original price £0.00
£7.99
£7.99 - £7.99
Current price £7.99

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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Original price £0.00 - Original price £0.00
Original price £0.00
£7.99
£7.99 - £7.99
Current price £7.99

25mm PVC Pipe Clip

Original price £0.00 - Original price £0.00
Original price £0.00
£2.39
£2.39 - £2.39
Current price £2.39

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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Original price £0.00 - Original price £0.00
Original price £0.00
£2.39
£2.39 - £2.39
Current price £2.39

Eheim 12/16 mm hose (per meter)

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

Eheim 12/16mm Hose has12mm Internal Diameter, 16mm Outside Diameter. Price is per meter

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

20mm PVC None Return Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£12.99
£12.99 - £12.99
Current price £12.99

20mm 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
£12.99
£12.99 - £12.99
Current price £12.99

Eheim 16/22 mm hose (per meter)

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

Eheim 16/22mm hose has 16mm Internal Diameter, 22mm Outside Diameter. Price is per meter

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

40mm PVC Double Union Ball Valve

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

40mm 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
£16.99
£16.99 - £16.99
Current price £16.99

32mm PVC Pipe Clip

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

32mm 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...

View full details
Original price £0.00 - Original price £0.00
Original price £0.00
£2.49
£2.49 - £2.49
Current price £2.49

20mm PVC Pipe Clip

Original price £0.00 - Original price £0.00
Original price £0.00
£2.29
£2.29 - £2.29
Current price £2.29

20mm 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
£2.29
£2.29 - £2.29
Current price £2.29

32mm PVC Tee Piece

Original price £0.00 - Original price £0.00
Original price £0.00
£5.49
£5.49 - £5.49
Current price £5.49

32mm 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
£5.49
£5.49 - £5.49
Current price £5.49

Eheim 19/27mm hose (per meter)

Original price £0.00 - Original price £0.00
Original price £0.00
£5.49
£5.49 - £5.49
Current price £5.49

Eheim 19/2mm hose has 19mm Internal Diameter, 27mm Outside Diameter. Price is per meter

Original price £0.00 - Original price £0.00
Original price £0.00
£5.49
£5.49 - £5.49
Current price £5.49

Solvent Weld Glue PVC Adhesive 120g

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

Solvent Weld Glue PVC Adhesive 120g Used to permanently glue pipe and fittings together. Supplied in a 120g tub complete with application brush. ...

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

25mm PVC Pipe - 0.4m

Original price £0.00 - Original price £0.00
Original price £0.00
£6.99
£6.99 - £6.99
Current price £6.99

25mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£6.99
£6.99 - £6.99
Current price £6.99

40mm PVC 90 Degree Swept Elbow

Original price £0.00 - Original price £0.00
Original price £0.00
£6.99
£6.99 - £6.99
Current price £6.99

40mm 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
£6.99
£6.99 - £6.99
Current price £6.99

Red Sea MAX® E - 170 In-Cabinet Sump & Pipework Set

Original price £0.00 - Original price £0.00
Original price £0.00
£197.00
£197.00 - £197.00
Current price £197.00

MAX® E-Series Revolutionary Modular Sump system Dual sump options for total flexibility. The MAX® E-Series feature a unique sump system, enabling ...

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Original price £0.00 - Original price £0.00
Original price £0.00
£197.00
£197.00 - £197.00
Current price £197.00

20mm PVC Simple Ball Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£6.99
£6.99 - £6.99
Current price £6.99

20mm PVC Simple Ball Valve Finest Aquatics PVC 20mm Simple Ball Valve Used to regulate or stop water flow down the pipe. Our metric PVC Aquarium ...

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Original price £0.00 - Original price £0.00
Original price £0.00
£6.99
£6.99 - £6.99
Current price £6.99

25mm PVC End Cap

Original price £0.00 - Original price £0.00
Original price £0.00
£3.69
£3.69 - £3.69
Current price £3.69

25mm 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
£3.69
£3.69 - £3.69
Current price £3.69

Kamoer 3x5mm PVC Dosing Tube Pipe / 1m

Original price £0.00 - Original price £0.00
Original price £0.00
£1.45
£1.45 - £1.45
Current price £1.45

Kameor 3x5mm PVC Dosing pipe, price is for 1m of pipe, multiples will be sent in one continuous length.

Original price £0.00 - Original price £0.00
Original price £0.00
£1.45
£1.45 - £1.45
Current price £1.45

25mm to 20mm PVC Reducing Connector

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

25mm to 20mm PVC Reducing Connector Used to reduce pipe diameter. Provides less pressure loss than a reducing bush due to gradual reduction to th...

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

32mm to 25mm PVC Reducing Bush

Original price £0.00 - Original price £0.00
Original price £0.00
£3.29
£3.29 - £3.29
Current price £3.29

32mm to 25mm 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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Original price £0.00 - Original price £0.00
Original price £0.00
£3.29
£3.29 - £3.29
Current price £3.29

32mm PVC Pipe - 1.3m

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

32mm 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 max...

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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

25mm PVC Pipe - 1.3m

Original price £0.00 - Original price £0.00
Original price £0.00
£10.99
£10.99 - £10.99
Current price £10.99

25mm 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 max...

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Original price £0.00 - Original price £0.00
Original price £0.00
£10.99
£10.99 - £10.99
Current price £10.99
Sold out

50mm PVC Double Union Ball Valve

Original price £0.00 - Original price £0.00
Original price £0.00
£19.99
£19.99 - £19.99
Current price £19.99

50mm 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...

View full details
Original price £0.00 - Original price £0.00
Original price £0.00
£19.99
£19.99 - £19.99
Current price £19.99