List of products by supplier Hardy Dewerse

JBL - ProSilent Control - Precision air valve

(1 review)

€6.99 -€1.00 €5.99

Adjustable air shut-off valve comprising: 1 inlet, 2 outlets each adjustable with precision. Each hose connection has a screw for added security.

• On sale!
• -€1.00
• -€1.00
• Sold out

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JBL - ProSilent Safe - Check Valve

€6.99 -€1.00 €5.99

Non-return valve that protects the air pump from rising water from the aquarium.

• On sale!
• -€1.00
• -€1.00
• 3 in stock

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JBL - ProTemp Cooler x200 GEN2 - Fan for aquarium

(1 review)

€39.99 -€2.00 €37.99

ProTemp Cooler x200 is a surface fan to cool your aquarium by 2-4°C. It is suitable for aquariums from 60 to 200 liters . Very energy efficient with a consumption of only 3 Watts . Guaranteed 2 years.

• -€2.00
• -€2.00
• Sold out

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JBL - ProTemp Cooler x300 GEN2 - Fan for aquarium

€49.99

ProTemp Cooler x300 is a surface fan to cool your aquarium by 2-4°C. It is suitable for aquariums from 90 to 300 liters . Very energy efficient with a consumption of only 4 Watts . Guaranteed 2 years.

• 1 in stock

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JBL - ProTemp e300 - External heater for aquarium - 300w

(1 review)

€47.99 -€1.00 €46.99

The JBL ProTemp e300 heater is an external heater integrated in the flexible hose. With a power of 300 watts , it will heat the water of a marine or freshwater aquarium from 90 to 300 liters.

• On sale!
• -€1.00
• -€1.00
• 1 in stock

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JBL - ProTemp e500 - External heater for aquarium - 500w

(3 reviews)

€54.99

The JBL ProTemp e500 heater is an external heater integrated in the flexible hose. With a power of 500 watts , it will heat the water of a marine or freshwater aquarium from 160 to 600 liters.

• On sale!
• 3 in stock

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JBL - ProTemp S 100 - Aquarium Heater - 100w

(2 reviews)

€25.99 -€4.00 €21.99

100W ProTemp S heater with protective grid for aquariums from 50 to 160 liters.

• On sale!
• -€4.00
• -€4.00
• 1 in stock

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JBL - ProTemp S 150 - Aquarium Heater - 150w

(2 reviews)

€25.99 -€4.00 €21.99

150W ProTemp S heater with protective grid for 90 to 200 liter aquariums.

• On sale!
• -€4.00
• -€4.00
• 2 in stock

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JBL - ProTemp S 200 - Aquarium Heater - 200w

(3 reviews)

€28.99 -€5.00 €23.99

200W ProTemp S heater with protective grid for aquariums from 100 to 300 liters.

• On sale!
• -€5.00
• -€5.00
• Sold out

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JBL - ProTemp S 300 - Aquarium Heater - 300w

(3 reviews)

€28.99 -€5.00 €23.99

300W ProTemp S heater with protective grid for 200 to 400 liter aquariums.

• On sale!
• -€5.00
• -€5.00
• 1 in stock

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JBL - ProTemp S 50 - Aquarium Heater - 50w

(1 review)

€21.99

50W ProTemp S heater with protective grid for 30 to 80 liter aquariums.

• On sale!
• 2 in stock

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JBL - Pump head seal for CP O 120/250

€10.90

Pump head gasket for JBL CristalProfi CP O 120/150 filters

Ref: 60825 00

• 1 in stock

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JBL - Pump head seal for CPe 4/7/900/1.2

€11.99

Pump head seal for JBL CristalProfi e401/2, 701/2 and e 901/2 filters.

• 1 in stock

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JBL - Refill ProAquaTest KH - Carbonate Hardness Test

(23 reviews)

€4.99

Reagent refill for JBL ProAquaTest KH test.

• 3 in stock

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JBL - Refill ProAquaTest pH 6.0-7.6

(5 reviews)

€4.99

JBL ProAquaTest pH Test Refill 6.0-7.6 is a quick test for determining acidity in freshwater aquariums . Content for approx. 80 measures.

• Sold out

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JBL - Refill ProAquaTest pH 7.4-9.0

(3 reviews)

€5.99 -€1.00 €4.99

Reagent refill for JBL ProAquaTest pH 7.4-9.0. Content for approx. 80 measures.

• -€1.00
• -€1.00
• 5 in stock

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JBL - Sansibar DARK 10kg - 0.2 - 0.6mm - Dark ground...

(1 review)

€19.99

Sansibar DARK 10kg from JBL provides good root support . This black soil substrate for freshwater or saltwater and terrariums, will allow you to obtain vigorous plant growth : the fine grain and density prevent the penetration of humus and other waste.

• On sale!
• 2 in stock

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JBL - Sansibar DARK 5kg - 0.2 - 0.6mm - Dark ground...

€10.99

Sansibar DARK 5kg from JBL is a perfect root support : substrate for freshwater or saltwater aquariums and terrariums. Plants thrive: the size and density of the fine particles prevent the penetration of humus and other waste .

• On sale!
• 2 in stock

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JBL - Sansibar GRAY 10kg - 0.2, 0.6mm - Gray fine soil...

€19.99

Sansibar GRAY 10kg from JBL is a fine gray sand floor : for freshwater or seawater and aquaterrariums. Intensive plant growth : fine particles and density prevent the penetration of humus and other waste.

• On sale!
• 2 in stock

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JBL - Sansibar GRAY 5kg - 0.2, 0.6mm - Gray fine soil...

€11.99 -€1.00 €10.99

Soil of fine, uncoloured sand: substrate for freshwater or saltwater aquariums and aquaterrariums. Vigorous plant growth: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• -€1.00
• -€1.00
• 2 in stock

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JBL - Sansibar ORANGE 10kg - 0.2, 0.6mm - Fine orange...

(1 review)

€25.99 -€4.00 €21.99

Sansibar ORANGE 10kg from JBL is a substrate in fine orange sand : Freshwater or seawater aquariums and aquaterrarium. Active plant growth : The fine granulation and density prevent the infiltration of humus and other waste.

• On sale!
• -€4.00
• -€4.00
• 4 in stock

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JBL - Sansibar ORANGE 5kg - 0.2, 0.6mm - Orange colored...

€13.99

Sansibar ORANGE 5kg from JBL is a soil of fine, orange sand : substrate for freshwater or saltwater aquariums and aquaterrariums. Vigorous plant growth: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• 2 in stock

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JBL - Sansibar RED 10kg - 0.2, 0.6mm - Red fine soil...

€25.99 -€3.00 €22.99

Soil of fine, uncoloured sand: substrate for freshwater or saltwater aquariums and aquaterrariums. Vigorous plant growth: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• -€3.00
• -€3.00
• 2 in stock

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JBL - Sansibar RED 5kg - 0.2, 0.6mm - Red fine soil...

€13.99

Soil of fine, uncoloured sand: substrate for freshwater or saltwater aquariums and aquaterrariums. Vigorous plant growth: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• 2 in stock

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JBL - Sansibar RIVER 10kg - 0.8mm - Fine clear soil...

€19.99

Perfect root support: soil substrate for freshwater or saltwater aquariums and terrariums. Avoid mucosal injuries: sand with large rounded grains preserving the sensitive barbels of bottom fish. Ideal for digging fish (rays, kuhlis, catfish, etc.)

• On sale!
• 2 in stock

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JBL - Sansibar RIVER 5kg - 0.8mm - Fine clear soil...

(1 review)

€10.99

Perfect root support: soil substrate for freshwater or saltwater aquariums and terrariums. Avoid mucosal injuries: sand with large rounded grains preserving the sensitive barbels of bottom fish. Ideal for digging fish (rays, kuhlis, catfish, etc.)

• On sale!
• 1 in stock

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JBL - Sansibar SNOW 10kg - 0.1, 0.6mm - Very fine white...

€29.99 -€1.00 €28.99

Very fine sand soil for all types of aquarium: soil substrate for freshwater or saltwater aquariums and for aquaterrariums or terrariums. Ideal for freshwater and seawater: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• -€1.00
• -€1.00
• 2 in stock

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JBL - Sansibar SNOW 5kg - 0.1, 0.6mm - Very fine white...

€19.99 -€3.00 €16.99

Very fine sand soil for all types of aquarium: soil substrate for freshwater or saltwater aquariums and for aquaterrariums or terrariums. Ideal for freshwater and seawater: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• -€3.00
• -€3.00
• 2 in stock

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JBL - Sansibar WHITE 10kg - 0.2, 0.6mm - Fine white...

(1 review)

€19.99

Perfect root support: soil substrate for freshwater or saltwater aquariums and terrariums. Vigorous plant growth: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• 2 in stock

I buy available

JBL - Sansibar WHITE 5kg - 0.2, 0.6mm - Fine white ground...

(2 reviews)

€10.99 -€1.00 €9.99

Perfect root support: soil substrate for freshwater or saltwater aquariums and terrariums. Vigorous plant growth: the fine grain size and density prevent the infiltration of humus and other waste.

• On sale!
• -€1.00
• -€1.00
• 2 in stock

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JBL - SediEX Pond - 1kg - Bacteria and active oxygen for...

(2 reviews)

€27.99

Sediex Pond effectively reduces pond sludge and allows the biological degradation of organic waste in your pond.

• Sold out

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JBL - SediEX Pond - 250g - Bacteria and active oxygen for...

€9.99 -€1.00 €8.99

Sediex Pond effectively reduces pond sludge and allows the biological degradation of organic waste in your pond.

• -€1.00
• -€1.00
• Sold out

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JBL - Silicone Spray - Maintenance spray for technical...

(1 review)

€16.99 -€3.00 €13.99

JBL Silicone Spray maintains all moving parts and joints of technical items in the aquarium and garden pond. Silicone grease in aerosol, inert to water . Transparent, odorless, long-lasting adhesion, HCFC-free, oil-free, eco-toxic substances-free.

• -€3.00
• -€3.00
• 1 in stock

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JBL - SilikatEX Rapid - 400ml

(11 reviews)

€21.99

Highly effective filter media for the removal of phosphates and silicates from water in freshwater and saltwater aquariums.

• 4 in stock

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JBL - Slim - Slim precision thermometer with suction cup

€4.99

JBL Slim is a digital precision thermometer with glass suction cup for freshwater and saltwater aquariums. Scale from 0 to 50°C.

• 6 in stock

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JBL - Spare blade for Floaty Blade L and XL - x2

(5 reviews)

€9.99 -€2.00 €7.99

JBL Floaty blade allows easy and efficient cleaning of aquarium panes: non-sharp replacement blades for Floaty Blade L and XL against stubborn deposits.

• On sale!
• -€2.00
• -€2.00
• 6 in stock

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JBL - Spongi - Cleaning sponge for aquarium and terrarium

(3 reviews)

€2.99 -€1.00 €1.99

JBL Spongi is a sponge designed for cleaning operations in the aquarium or terrarium. Robust, the sponge leaves no trace, its material is inert to water and releases no harmful substances. After use, we advise you to rinse it with clear, warm water. JBL Spongi measures 11.5 x 9 cm.

• -€1.00
• -€1.00
• 2 in stock

I buy available

JBL - StabiloPond Basis - 2.5kg - Basic care product for...

(1 review)

€42.99

JBL StabiloPond basis is a necessary basic product to maintain ponds without algae problems . Allows the creation of a biotope similar to natural biology thanks to stable parameters (KH, GH and pH) adapted to the needs of the species.

• Sold out

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JBL - StabiloPond Basis - 250g - Basic care product for...

€11.99

JBL StabiloPond basis is a necessary basic product for good maintenance without algae problems . Allows the generation of biotope similar to the natural biotope with stable parameters adapted to the needs of the base product.

• Sold out

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JBL - StarterKit - 2x15ml - Aquarium bacteria and...

€5.99

JBL StarterKit is a kit containing a water conditioner to remove harmful substances from tap water and an activator that provides useful bacteria that will degrade water pollutants. One kit for 10 to 60 l of aquarium water .

• 2 in stock

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JBL - Symec Fine filter wadding - 100g

(4 reviews)

€2.99

• Fine filter wadding
• Fully synthetic, residue-free filter wadding
• Suitable for both freshwater and saltwater

• On sale!
• 2 in stock

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JBL - Symec Fine filter wadding - 1kg

(27 reviews)

€15.99

• Fine filter wadding
• Fully synthetic, residue-free filter wadding
• Suitable for both freshwater and saltwater

• On sale!
• 11 in stock

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JBL - Symec Fine filter wadding - 250g

(11 reviews)

€4.99

• Fine filter wadding
• Fully synthetic, residue-free filter wadding
• Suitable for both freshwater and saltwater

• On sale!
• 2 in stock

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JBL - Symec Fine filter wadding - 500g

(9 reviews)

€9.99

• Fine filter wadding
• Fully synthetic, residue-free filter wadding
• Suitable for both freshwater and saltwater

• On sale!
• 3 in stock

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JBL - Symec VL - Filter felt 80x25x3 cm

(6 reviews)

€5.99

Symec VL is a Felt to be cut for the rapid elimination of all turbidity in fresh water or sea water: quality filtering microfibre to be inserted in the aquarium filter.

• On sale!
• 3 in stock

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JBL - Symec XL - Thick filter wadding green - 250g

€5.99

• Thick filter wadding
• Fully synthetic, residue-free filter wadding
• Suitable for both freshwater and saltwater

• On sale!
• 1 in stock

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JBL - SymecMicro 25x74 cm - Microfiber for aquarium filter

€7.99

SymecMicro is a fine filter wadding to be cut for the rapid elimination of all turbidity in fresh water or sea water: quality filter microfiber to be inserted in the aquarium filter.

• 3 in stock

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JBL - SymecPad II CristalProfi e for JBL e1501-2 and...

€10.99

Set of 6 fine foam pads designed for JBL CristalProfi e1501, e1502, e1901 and e1902 filters.

• 2 in stock

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JBL - SymecPad II CristalProfi e for JBL e401-2, e701-2...

(2 reviews)

€8.99

Set of 6 fine foam pads designed for JBL CristalProfi e401, e402, e701, e702, e901 and e902 filters.

• 2 in stock

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JBL - Taifun extend 2 - Extension for CO2 reactor

€10.99

JBL extend, extension for JBL CO2 Reactor to increase the capacity of the JBL reactor for large aquariums.

• On sale!
• 1 in stock

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JBL - Test Mg Magnesium - Refill

€11.99

The JBL Mg Magnesium Refill is a quick test for determining the magnesium content in freshwater aquariums.

• Sold out

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JBL - Testlab ProScape - Test case - Planted aquarium

€109.99

JBL Testlab ProScape is a case containing 9 water tests to analyze the water in your planted aquarium: Fe, NO3, PO4 Sensitiv, CO2 Direct, Mg Fresh Water, KH, K Fresh Water, SIO2 and pH 6.0-7 ,6.

• 1 in stock

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JBL - TopClean II - Surface cleaner for aquariums

€19.99

JBL TopClean II is a surface filter that allows the elimination of deposits and foreign bodies on the surface of the water : complement to the external filter, vacuum cleaner for aquariums from 60 to 600 liters (height: from 35 cm).

• 2 in stock

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JBL - Tormec CristalProfi i60/80/100/200 - Filter...

€5.50

Tormec CristalProfi is a filter cartridge with active peat granules for CristalProfi i60 to 200 aquarium filters .

• Sold out

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JBL - Tropol - Tropical Water Conditioner - 100ml

€5.99 -€1.00 €4.99

JBL Tropol transforms aquarium water into tropical black water for the breeding of black water fish such as Characidae, Catfish, Apistos and Discus etc.

• On sale!
• -€1.00
• -€1.00
• 2 in stock

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JBL - UniBloc CristalProfi for CristalProfi i40/TekAir...

€6.99

UniBloc CristalProfi is a replacement foam cartridge for Cristal Profi i40 and TekAir aquarium filters.

• 2 in stock

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JBL - UniBloc CristalProfi i60/80/100/200 - Replacement...

€4.99

ProCristal i30 AlgaePrevent is a replacement foam cartridge for CristalProfi i60 to 200 aquarium filters.

• Sold out

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JBL - WishWash - Sponge and Cloth for Aquarium Windows

(1 review)

€6.99

WishWash from JBL is a set of a cloth to clean the glass from the outside and a sewn-in sponge to remove algae and dirt easily and without leaving marks on the inside glass of the aquarium or terrarium.

• On sale!
• 1 in stock

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JBL -Ferropol 24 10ml - Plant fertilizer

€4.99

JBL Ferropol 24 allows the daily maintenance and beauty of aquarium plants: daily fertilizer for freshwater aquariums. It is an optimal and precise contribution of all the essential trace elements not provided by long-lasting fertilizers

• On sale!
• 2 in stock

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JBL FilterStart 10ml - Bacteria for new or cleaned...

(5 reviews)

€3.99

JBL FilterStart 10ml - Active bacteria for a top-quality filter

JBL FilterStart 10ml is the little miracle bottle to give your filter a real boost, whether after cleaning or when starting a new aquarium. This liquid concentrate provides millions of live, autotrophic and hyperactive bacteria that will quickly settle in and start cleaning your water. The result? A healthy aquarium, clear water, and healthy fish. Thanks to its 8 complementary bacteria cultures , JBL FilterStart effectively eliminates ammonium, ammonia, nitrites and even organic waste. It is essential to ensure a quick and controlled start of biological filtration, in freshwater as well as saltwater.

• Rapid filter colonization for clean, stable water
• Removes ammonium, nitrites and organic waste
• Perfect after cleaning or when refilling the water

• On sale!
• 8 in stock

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