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Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Free shipping from €50 (and to Belgium from €100.00)
Many Payment Methods, including iDEAL, PayPal, Apple Pay, Google Pay, Credit Card & Bancontact.
Welcome to MaJa Koi
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Glue & fastening
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€21,00
Griffon Aqua Max® kit, white – 425 g
Griffon Aqua Max® white kit is a water-resistant, solvent-free bonding adhesive and sealing kit with a very high final strength. Suitable for bonding, mounting and sealing virtually all materials and substrates, even underwater.
The kit is ideal for applications in and around swimming pool installations, such as skimmers, pool edges, tiles, drains, pool covers, sprayers and expansion joints. It is also suitable for applications in ponds, such as inlets and outlets and attaching pond coping tiles.
Properties:
- Resistant to chlorine and seawater
- UV-resistant
- Very high final strength
- Remains flexible
- Excellent filling capacity
- Good adhesion (does not sag)
- Non-shrinking (100% adhesive)
- Solvent-free
- Does not stain edges
- Temperature resistant from -40°C to +100°C
- Overpaintable
- Suitable for use even underwater
Substrate requirements:
- The substrate must be firm, clean, dust- and grease-free
- The substrate may be damp
Specifications:
- Colour: white
- Contents: 425 g (cartridge)
PoolLine Pool Leak Sealer 1L is a practical solution for sealing small leaks in swimming pools and hot tubs. The product is specially developed to reduce water loss and effectively seal small leaks without immediately carrying out major repairs.
Leak Sealer is suitable for leaks up to 2.5 cm of water loss per day in systems with a total water capacity of up to 60,000 liters. In the event of a leak in the swimming pool or hot tub, pour the product directly into the water. For pipe or system leaks, add Leak Sealer through the skimmer so that the product can circulate through the piping. Only use the product at temperatures above 6°C.
Important points
- Suitable for sealing small leaks in swimming pools and hot tubs
- Helps effectively reduce water loss
- Suitable for leaks up to 2.5 cm per day
- Dosage: 1 liter per 60,000 liters of water capacity
- Add directly to the water in the event of a pool or hot tub leak
- Add through the skimmer for pipe or system leaks
- Can be used at temperatures above 6°C
- Practical solution before major repairs are needed
- Suitable for swimming pool and hot tub maintenance
- Contents: 1 liter
€14,95
GEB Pool universal liquid PVC cleaner 250 ml
The GEB Pool universal liquid PVC cleaner is suitable for the thorough cleaning of both hard and soft PVC fittings prior to gluing. The formula effectively removes grease and cutting residues, promoting optimal adhesion.
This cleaner is packaged in a practical 250 ml bottle, ideal for use in swimming pool installations. Thanks to the wide grip, the bottle lies comfortably in the hand and the pour stop ensures controlled dosing without dripping.
Features:
- Suitable for hard and soft PVC
- Removes grease and cutting residues for better adhesion
- Surface preparation prior to gluing
- Practical bottle with wide grip
- Pour stop prevents dripping
- Contents: 250 ml
€20,95
GEB Pool Universal Liquid PVC Cleaner 1 L
The GEB Pool universal liquid PVC cleaner is suitable for the thorough cleaning of both hard and soft PVC fittings prior to gluing. The formula effectively removes grease and lubricant residues, promoting optimal adhesion.
This cleaner is packaged in a practical 1 L bottle, ideal for use in swimming pool installations. Thanks to the wide grip, the bottle lies comfortably in the hand and the pour stop ensures controlled dosing without dripping.
Features:
- Suitable for hard and soft PVC
- Removes grease and lubricant residues for better adhesion
- Surface preparation prior to gluing
- Practical bottle with wide grip
- Pour stop prevents dripping
- Contents: 1 L
€19,95
GEB Pool Gebsoblue PRO pool adhesive 250 ml – with THF and brush
The GEB Pool Gebsoblue PRO pool adhesive is a special PVC adhesive for bonding flexible and rigid PVC pipes and is intended exclusively for professionals. This adhesive contains THF and guarantees fast curing and instant adhesion, enabling reliable connections in swimming pool installations.
The adhesive is suitable for connecting piping components made of flexible PVC (soft PVC) and PVC-U (rigid PVC), and is resistant to swimming pool water treatment products. Thanks to its thick, thixotropic composition, the adhesive does not run and is easy and controlled to apply.
Features:
- Intended exclusively for professionals
- Suitable for soft PVC and rigid PVC
- Contains THF for fast curing
- Resistant to swimming pool water treatment products
- Pressure resistance up to 40 bar (for internal diameters up to 100 mm)
- Temperature resistant up to 90°C
- Fast curing and instant adhesion
- Pressure resistant up to 5 bar after 15 minutes
- Thick, thixotropic formula (does not run)
- Colour: blue
- 250 ml pot with integrated brush
Tip: The adhesive is thixotropic; stirring it makes it more fluid for optimal application.
€26,95
GEB Pool Gebsoblue PRO pool adhesive 500 ml – with THF and brush
The GEB Pool Gebsoblue PRO pool adhesive is a special PVC adhesive for bonding flexible and rigid PVC pipes and is intended exclusively for professionals. This adhesive contains THF and guarantees fast curing and instant adhesion, enabling reliable connections in pool installations.
The adhesive is suitable for connecting piping components made of flexible PVC (soft PVC) and PVC-U (rigid PVC), and is resistant to pool water treatment products. Thanks to its thick, thixotropic composition, the adhesive does not run and is easy and controlled to apply.
Features:
- Intended exclusively for professionals
- Suitable for soft PVC and rigid PVC
- Contains THF for fast curing
- Resistant to pool water treatment products
- Pressure resistance up to 40 bar (for internal diameters up to 100 mm)
- Temperature resistant up to 90°C
- Fast curing and instant adhesion
- Pressure resistant up to 5 bar after 15 minutes
- Thick, thixotropic formula (does not run)
- Colour: blue
- 500 ml pot with integrated brush
Tip: The adhesive is thixotropic; stirring it makes it more fluid for optimal application.
€14,95
GEB Pool pressure adhesive 250 ml – THF-free and with brush
This special GEB Pool pressure adhesive was developed for bonding rigid PVC connections in swimming pool installations. The adhesive is THF-free and suitable for applications requiring a strong and durable bond. Thanks to its composition, the adhesive is resistant to treated swimming pool water and various stresses within pressure piping systems.
The adhesive has high temperature resistance and offers excellent pressure resistance, making it suitable for professional applications. Its thixotropic properties ensure that the adhesive is easy to apply and does not run when applied vertically. Furthermore, the adhesive does not turn white after curing.
Features:
- Suitable for rigid PVC connections
- THF-free
- Temperature resistant up to 90 °C
- Pressure resistance up to 51.2 bar
- Resistant to treated swimming pool water
- Apply pressure after 1 hour (for internal diameters up to 90 mm)
- Thixotropic: becomes more fluid when stirred
- Does not run when applied vertically
- Does not turn white after curing
- Contents: 250 ml (with brush)
Tip: The adhesive is thixotropic; stirring it makes it more fluid for optimal application.
€19,95
GEB Pool pressure adhesive 500 ml – THF-free and with brush
This special GEB Pool pressure adhesive was developed for bonding hard PVC connections in swimming pool installations. The adhesive is THF-free and suitable for applications requiring a strong and durable bond. Thanks to its composition, the adhesive is resistant to treated swimming pool water and various stresses within pressure piping systems.
The adhesive has high temperature resistance and offers excellent pressure resistance, making it suitable for professional applications. Its thixotropic properties ensure that the adhesive is easy to apply and does not run out when applied vertically. Furthermore, the adhesive does not turn white after curing.
Features:
- Suitable for hard PVC connections
- THF-free
- Temperature resistant up to 90 °C
- Pressure resistance up to 51.2 bar
- Resistant to treated swimming pool water
- Apply pressure after 1 hour (for internal diameters up to 90 mm)
- Thixotropic: becomes more fluid when stirred
- Does not run out when applied vertically
- Does not turn white after curing
- Contents: 500 ml (with brush)
Tip: The adhesive is thixotropic; stirring it makes it more fluid for optimal application.
€20,95
GEB Pool pool kit, white – 290 ml cartridge
This white GEB Pool pool kit is a high-performance MS polymer kit specially developed for the durable bonding, sealing and repairing of leaks in indoor and outdoor pool installations. The kit can be applied to both dry and damp substrates and is even suitable for underwater use.
The pool kit has a strong initial adhesion and cures under the influence of humidity. Thanks to its excellent adhesion to most common building and pool materials, this kit is highly versatile. The kit is resistant to treated pool water, UV radiation, weather conditions, as well as frost and high temperatures.
Features:
- MS polymer kit with high performance
- Suitable for bonding, sealing and repairing leaks
- Can be used underwater
- Strong initial adhesion
- Cures through humidity and on damp substrates
- Excellent adhesion to most materials (except PE, PP, PA, PTFE and bitumen)
- Resistant to treated pool water
- Resistant to UV radiation and weather conditions
- Temperature resistant from -40 °C to +90 °C
- Available in multiple colours: white, transparent, blue, beige and grey
- Packaging: 290 ml cartridge
Applications:
- Liners
- Pool coping
- Cracks
- Tiles
- Floor drains
- Skimmers
- Inlets
- Enclosures
€19,95
GEB Pool sealant gun – for professional use
This professional GEB Pool sealant gun is suitable for standard cartridges and ideal for applying strong and durable seals. Thanks to its robust design, the sealant gun is suitable for intensive and professional use, even with sealants that are normally difficult to apply, but are easy to dispense with this gun.
The sealant gun is made of metal, which provides extra strength and a long service life. The design makes the gun easy to use and offers good control when applying sealant.
Features:
- Suitable for standard sealant cartridges
- Professional quality
- Makes sealant easy to dispense
- Suitable for all types of sealant, even difficult-to-dispense ones
- Made of metal
- Very sturdy and durable
- Easy to use
€11,95
GEB Pool PVC sanding band, grit 120 – 38 mm x 1 m
This GEB Pool PVC sanding band is suitable for preparing surfaces before gluing or repairing PVC pipes. The sanding band is used for sanding soft and hard PVC pipes and fittings, resulting in better adhesion of adhesives and repair materials.
In addition, the sanding band is ideal for surface preparation when using leak repair products.
Features:
- Suitable for soft PVC, hard PVC and ABS
- For sanding pipes and fittings before gluing
- Improves the adhesion of adhesives and repair materials
- Can be torn by hand
- Very smooth and flexible to use
- Water-resistant
- Grit: 120
- Dimensions: 38 mm x 1 m
€23,95
GEB Pool anti-leak repair tape – 5 cm x 1.5 m
This GEB Pool anti-leak fiberglass repair tape with a water-activated polyurethane resin is designed for the durable repair of leaks, cracks and holes in various hard materials and pipes. After activation, the tape forms a strong, hard and watertight repair.
Thanks to its fast curing, the repair can be put under load after a short time, allowing systems to be quickly returned to service. The tape is suitable for applications in swimming pool installations and resistant to both sea and pool water.
Features:
- Fiberglass fabric with polyurethane resin (water-activated)
- Suitable for the repair of leaks, cracks and holes
- Applicable to various hard materials
- Can be used on damp surfaces
- Curing: within a few minutes
- Can be put under load again after approx. 45 minutes
- Resistant to temperatures from -45°C to +150°C
- Pressure resistance: up to 10 bar
- Resistant to sea and pool water
- Suitable for pipes up to Ø 50 mm (2”), also applicable to larger diameters without pressure
Specifications:
- Color: white
- Dimensions: 5 cm x 1.5 m
€31,95
GEB Pool Leak Sealer – 1 L
This GEB Pool leak sealer has been specially developed for sealing small and hard-to-reach leaks in and around swimming pools. The product is ideal for treating microcracks, porous areas, and small leaks in, among others, concrete swimming pools and underground pipe connections.
The leak sealer circulates through the system and adheres to the areas where water escapes, allowing small leaks to be effectively sealed without major work.
Features:
- Suitable for sealing small leaks in swimming pools and pipes
- Treats microporosity in concrete swimming pools
- Effective against microcracks and leaks around, for example, skimmers
- Easy to use
- Restorative treatment for lasting results
- Swimming allowed after 24 hours
- Includes 3 free pH tests
Application:
- Small leaks up to approx. 2 cm
- Consumption: 1 liter per approx. 60 m³ of water
€14,95
GEB POOL swimming pool liner repair kit – fast, easy and invisible repairs
The GEB POOL swimming pool liner repair kit makes it possible to quickly and reliably repair damage to swimming pool liners, inflatable PVC items (such as buoys and inflatable toys) and air mattresses. The kit is suitable for use outdoors and underwater and provides an almost invisible repair that is resistant to pool water treated with chlorine, salt or ozone.
Kit contents:
- Adhesive for durable bonding
- Transparent PVC repair patch (10 x 40 cm, thickness 0.3 mm)
- Spatula for even application
Benefits:
- Fast and easy repair of swimming pool liners and inflatable materials
- Resistant to treated pool water (chlorine, salt, ozone)
- Use outdoors or underwater
- Almost invisible result
- Easy to apply thanks to the included spatula
Directions for use:
Preparation:
- The surface must be clean, dry and degreased (for example with ethyl alcohol).
- For better adhesion, the surface can be lightly roughened with sandpaper or a GEB sanding strip.
- On inflatable structures, it is best to work on a deflated surface.
Repair:
- Cut the repair patch to size (approximately 2 cm extra all around).
- Apply the adhesive to the repair patch and spread evenly with the spatula.
- Place the patch on the damaged surface.
- Smooth out to remove air bubbles and press firmly.
Drying time:
- At least 30 minutes before the material can be used.
- For larger repairs: 24 hours for complete drying.
This swimming pool liner repair kit offers a fast, reliable and almost invisible solution for minor repairs to swimming pool liners and inflatable PVC materials.
€15,95
GEB Pool REPAR’SKIMMER, white – 125 ml
This GEB Pool REPAR’SKIMMER has been specially developed for sealing and repairing cracks in skimmers and other parts within swimming pool installations that need sealing. The product ensures a strong and durable repair, often eliminating the need to replace the skimmer.
The repair is resistant to sanding and polishing and can effectively fill cracks up to 5 mm wide. For extra reinforcement, fiberglass matting can be used in combination with REPAR’SKIMMER.
Features:
- Suitable for sealing cracks in skimmers
- Strong and durable repair
- Resistant to sanding and polishing
- Fills cracks up to 5 mm wide
- Can be used in combination with fiberglass matting for extra reinforcement
- Dries white
Specifications:
- Contents: 125 ml
- Packaging: pot with brush
€14,95
GEB Pool anti-leak repair tape, self-vulcanizing – 25 mm x 3 m
This self-vulcanizing GEB Pool anti-leak repair tape is ideal for quickly and effectively sealing leaks in hard and soft pipes, as well as garden hoses. The tape fuses into a water-tight and pressure-resistant seal, without the need for adhesive.
Thanks to its immediate action, no drying time is required and the pipe can be put back into use immediately. The tape is also suitable for applications in swimming pool installations and can also be used to make anti-slip strips on swimming pool equipment.
Features:
- Self-vulcanizing: forms a single unit after application
- Suitable for hard pipes, soft PVC and flexible tubes
- Ideal for emergency leak repairs
- Immediately loadable, no drying time
- Resistant to treated swimming pool water
- Resistant to temperatures from -40°C to +100°C
- Easy and clean to use
- Also suitable for anti-slip applications
Specifications:
- Dimensions: 25 mm x 3 m
GEB Pool Leak Detection Kit
This GEB Pool leak detection kit has been specially developed for detecting leaks in swimming pools and hot tubs. Using fluorescein dye, it makes visible where water is being drawn in through a defect in the pool or the seal.
By spraying small amounts of fluorescein into the water, the leak becomes clearly visible as the coloured liquid is drawn towards the leak. The included extension helps to work accurately and prevents turbulence in the water, making detection even more precise.
Features:
- Suitable for swimming pools and hot tubs
- Works with fluorescein dye for accurate leak detection
- Easy to use
- Accurate detection thanks to the extension that prevents turbulence
- Reusable
- Bottle of 80 ml good for a maximum of 26 test doses
Contents of the kit:
- 30 cm extension
- 20 ml spray bottle
- 80 ml fluorescein bottle
- Instructions for use
GEB Pool standard PTFE tape for plastic/plastic or plastic/metal threaded connections – 12 mm x 12 m x 0.1 mm
This GEB Pool standard PTFE tape is suitable for the sealing of plastic/plastic or plastic/metal threaded connections within piping systems. The tape provides a reliable and leak-free seal and is resistant to various water treatment influences within swimming pool installations.
Thanks to its high quality, the tape is resistant to additives, microorganisms and water treatment products. Furthermore, the tape is frost-resistant and suitable for applications up to a pressure of 15 bar.
Features:
- Suitable for plastic/plastic or plastic/metal threaded connections
- 100% PTFE
- Thickness and mass: 0.1 mm / 40 g/m²
- Density: 0.4
- Maximum 15 bar
- Resistant to chemicals and microorganisms
- Frost-resistant
- Conforms to EN 751-3:1997 class F
€13,95
GEB Pool silicone grease – 20 ml
This GEB Pool silicone grease based on 100% silicone is suitable for lubricating and protecting parts such as faucets, valves and meters. The grease is resistant to severe environmental and operating conditions and ensures smooth operation and a longer lifespan for components.
Thanks to its composition, the silicone grease is insoluble in water and resistant to various chemicals and solvents. This makes it extremely suitable for applications in swimming pool installations and other technical systems.
Features:
- 100% silicone grease for maintenance and lubrication
- Suitable for faucets, valves, meters and seals
- Temperature resistant from -50°C to +220°C
- Insoluble in water
- Resistant to solvents and many chemicals (not resistant to concentrated acids and alkalis)
- Protects against limescale
- Suitable for use with sea and pool water and sprinkler applications
Specifications:
- Contents: 20 ml (tube in sleeve)
€17,95
GEB Pool universal spray gun holder – for GEB spray cans
This GEB Pool universal spray gun holder is specially designed for the easy and controlled spraying of spray cans. Ideal for the efficient application of, among other things, adhesive spray for pool felt.
Thanks to the ergonomic handle, the holder fits comfortably in the hand and is comfortable to use, even during prolonged work. The holder ensures a constant and even spray, resulting in a precise and homogeneous spray pattern.
Features:
- Ergonomic handle for comfortable and effortless use
- Efficient and fast working, even on larger surfaces
- Ensures a precise and homogeneous result thanks to constant pressure
- Hygienic: no direct contact with chemical products
- Universal: suitable for various spray cans
- User-friendly: quick and easy attachment to the spray can
- Reusable
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