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.
40mm PVC Grey Gate Valve
40mm 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...
View full details40mm PVC Double Union Ball Valve
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...
View full details32mm PVC Double Union Ball Valve
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...
View full details25mm PVC Double Union Ball Valve
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...
View full details20mm PVC None Return Valve
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...
View full details40mm PVC Straight Coupling
Finest Aquatics 40mm PVC Straight Coupling Used for permanently joining two pieces of equally sized pipe in a straight line. Our metric PVC Aquar...
View full details20mm PVC Straight Coupling
Finest Aquatics 20mm PVC Straight Coupling Used for permanently joining two pieces of equally sized pipe in a straight line. Our metric PVC Aquar...
View full details3/8" to 1/4 Push Fit Reducer
This is a John Guest fitment usually used in Reverse Osmosis systems3/8" to 1/4 Push Fit Reducer RO Fitting
25mm to 3/4" PVC Threaded Female Connector
25mm to 3/4" PVC Threaded Female Connector Threaded female section which is ideal for screwing onto pumps or pieces of equipment. Our metric PVC ...
View full details40mm PVC Pipe - 0.4m
40mm 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...
View full details25mm PVC 90 Degree Swept Elbow
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...
View full details40mm PVC Tee Piece
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...
View full details25mm PVC None Return Valve
25mm 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...
View full details32mm PVC Simple Ball Valve
32mm 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 ...
View full details25mm PVC Simple Ball Valve
25mm PVC Simple Ball Valve Used to regulate or stop water flow down the pipe. Our metric PVC Aquarium / Pond solvent weld plumbing is ideal for v...
View full details25mm PVC Pipe - 0.4m
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...
View full details50mm PVC Pipe - 1.3m
50mm 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...
View full details32mm PVC Pipe Clip
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 detailsReducing Connector 40mm to 25mm
40mm to 25mm PVC Reducing Connector Used to reduce pipe diameter. Provides less pressure loss than a reducing bush due to gradual reduction to th...
View full details32mm to 25mm PVC Reducing Connector
32mm to 25mm PVC Reducing Connector Used to reduce pipe diameter. Provides less pressure loss than a reducing bush due to gradual reduction to th...
View full details20mm PVC Pipe - 0.4m
20mm 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...
View full details32mm PVC Tee Piece
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...
View full details25mm to 3/4" PVC Threaded Male Connector
25mm to 3/4" PVC Threaded Male Connector Threaded male section which is ideal for screwing into pumps or other pieces of equipment. Our metric PV...
View full details20mm PVC Double Union Ball Valve
20mm 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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