Blumat Irrigation Tubing – Ø8 mm supply line and Ø3 mm drip line in 10 m rolls
Blumat Irrigation Tubing – Ø8 mm supply line and Ø3 mm drip line in 10 m rolls
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Diameters: Ø8 mm and Ø3 mm
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Length: 10 m rolls
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Ø8 mm material: frost- and UV-resistant PE
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Ø3 mm material: flexible silicone
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Ø8 mm colors: black and white
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Extension kit: 3 m Ø3 + 1 mini tee + 2 mini unions
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Description
- 📏 Two diameters: Ø8 mm for the supply line and Ø3 mm for the sensor downpipe. They are not interchangeable.
- 💧 10 m rolls: sufficient length to install or extend the system without unnecessary joints.
- 🧊 Suitable for outdoor use: the Ø8 mm tube is made of PE resistant to frost and UV radiation.
- 🧩 Expansion kit: 3 m of Ø3 mm tube, 1 mini tee and 2 mini-couplings to add one more sensor.
- 🔌 No electricity: it is part of the Blumat capillary irrigation system, without a pump or power supply.
The original Blumat tubing, in the two sizes used by the system.
Full description
Blumat Irrigation Tubing – Ø8 mm supply and Ø3 mm drip
Original Blumat tubing for installing and expanding your capillary automatic irrigation system. The Ø8 mm tubing forms the main supply line that carries water from the tank or pressure reducer, and the Ø3 mm tubing is the riser that connects that line to each ceramic sensor. Available in 10 m rolls and as an expansion kit.
⚠️ Made to order: the “3 mm Expansion Kit” variant is made to order; check the lead time before purchasing.
Key Features
- Two diameters, two functions: Ø8 mm is the main supply line and Ø3 mm is the riser that reaches the sensor.
- Ø8 mm PE tubing: frost- and UV-resistant, suitable for installations that remain in place all year round.
- Ø3 mm silicone tubing: very flexible, it curves to the sensor without restricting water flow.
- Two finishes for Ø8 mm: black, which does not allow light through, and white.
- Expansion kit: 3 m of Ø3 mm tubing, 1 mini-tee and 2 mini-unions to add one more sensor to an existing installation.
How to Use
- Run the Ø8 mm tubing from the tank or pressure reducer to the cultivation area.
- Insert the corresponding connectors into the Ø8 mm tubing (8-3-8 tee in the middle of the branch, 8-3 end-of-branch to close the section) where each plant is located.
- Cut a length of Ø3 mm tubing and run it from that outlet to the ceramic sensor.
- Place one sensor per plant, buried in the substrate; its range is 20-25 cm.
- Allow water to flow, adjust the sensor and check that there are no leaks at the connections.
- If you add plants later, expand the installation with the Ø3 mm expansion kit.
What Is It Compatible With?
The two diameters are measurements specific to the Blumat system and are not interchangeable: the Ø8 mm is always the main supply line and the Ø3 mm is always the riser that reaches the sensor. The Ø8 mm tubing fits 8 mm tees, elbows, unions and valves, the pressure reducer and the tank connector. The Ø3 mm tubing fits Tropf-Blumat sensors, 3 mm mini-tees and mini-unions, drip distributors and 3 mm caps. Do not force Ø3 mm tubing into an Ø8 mm fitting or vice versa: the connection will not seal.
Technical Specifications
- Brand: Blumat (Austria)
- Diameters: Ø8 mm (supply) and Ø3 mm (drip, riser to the sensor)
- Roll length: 10 m
- Ø8 mm material: frost- and UV-resistant PE
- Ø3 mm material: flexible silicone
- Available colors for Ø8 mm: black and white
- Expansion kit contents: 3 m of Ø3 mm tubing + 1 mini-tee + 2 mini-unions
- Operation: by capillary action, without electricity or a pump
Warranty
At GrowIndustry we only work with proven quality products and trusted brands.
Every item goes through a check before shipping to make sure it arrives in perfect condition and ready to use.
Your satisfaction is our priority.
How to use
1. Run the Ø8 mm tube from the reservoir or pressure reducer to the growing area.
2. Insert an 8-3-8 tee at each intermediate plant and an 8-3 branch end at the last one.
3. Cut a length of Ø3 mm tube and run it from that outlet to the ceramic sensor.
4. Bury one sensor per plant in the substrate; its range is 20–25 cm.
5. Turn on the water, adjust the sensor, and check that there are no leaks at the joints.
6. When you add plants, expand the system with the Ø3 mm expansion kit.

Blumat Irrigation Tubing – Ø8 mm supply line and Ø3 mm drip line in 10 m rolls
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Frequently asked questions
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The Ø8 mm tubing forms the main supply line, the one that carries water from the reservoir or the pressure reducer to the grow. The Ø3 mm tubing is the drop line connecting that main line to each ceramic sensor. These are sizes specific to the Blumat system and they are not interchangeable.
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The Ø8 mm tubing is PE, frost and UV resistant, suitable for installations left up all year round. The Ø3 mm tubing is very flexible silicone, which curves round to the sensor without restricting the flow of water.
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The tubing is sold in 10 m rolls. The Ø8 mm comes in two finishes: black, which blocks light, and white.
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The expansion kit includes 3 m of Ø3 mm tubing, 1 mini T and 2 mini couplers, everything you need to add one more sensor to an existing installation. This version is supplied to order, so check the lead time before buying.
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Run the Ø8 mm tubing from the reservoir or the pressure reducer to the grow area and insert the connectors where each plant is: T 8-3-8 partway along the branch and end-of-line 8-3 to close the run. Then cut a length of Ø3 mm tubing from each outlet to the sensor, place one sensor per plant, turn the water on and check there are no leaks.
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The Ø8 mm tubing fits the 8 mm Ts, elbows, couplers and valves, the pressure reducer and the reservoir connector. The Ø3 mm fits the Tropf-Blumat sensors, the 3 mm mini Ts and mini couplers, the drip distributors and the 3 mm plugs. Do not force a Ø3 mm tube into a Ø8 mm fitting or the other way round: the joint will not seal.