Technical Devices for Aquariums

Filters, heaters, LED lighting and accessories for technical devices for aquariums

From aquarium filters to heating elements, from automatic feeders to the right lighting, we've got you covered when it comes to technical devices for aquariums! Plus, you can rest assured that everything we've compiled in this category has been carefully selected and is of top-notch quality.

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    Technical Devices: 1 - 30 of 1061 items

    Juwel Filter Pad - bioPad

    Juwel Filter Pad -​ bioPad, Compact M

    • Mechanical prefilter
    • Protects against rapid pollution
    • Consists of polyester material
    £1.56 £1.75

    Delivery by October 14

    Juwel BioPlus Filter Sponge - Coarse

    Juwel BioPlus Filter Sponge -​ Coarse, Compact M

    • Part of the Juwel filter system
    • Biological filtering in the anaerobic area
    • Without chemical residues
    £2.63 £2.95

    Delivery by October 14

    Juwel Filter Sponge bioPlus - Fine

    Juwel Filter Sponge bioPlus -​ Fine, Compact M

    • Part of the Juwel filter system
    • Biological filtering in the anaerobic area
    • Fine pore structure
    £2.63 £2.95

    Delivery by October 14

    Juwel Nitrax Nitrate Remover

    Juwel Nitrax Nitrate Remover, Compact M

    • Part of the Juwel filter system
    • Reduces nitrate
    • Increases the vitality of the fish
    £3.78 £4.20

    Delivery by October 14

    Juwel Phorax

    Juwel Phorax, Compact M

    • Part of the Juwel filter system
    • Reduces phosphate
    • Inhibits algae growth
    £5.99 £6.65

    Delivery by October 14

    Juwel Carbon Sponge bioCarb

    Juwel Carbon Sponge bioCarb, Compact M

    • Part of the Juwel filter system
    • Biological filtering in the anaerobic area
    • Absorbs odours and turbid substances as well as toxic compounds
    £5.29 £5.90

    Delivery by November 03

    Juwel Carbax Bioflow

    Juwel Carbax Bioflow, Compact M

    • Part of the Juwel filter system
    • Absorbs odours and turbid substances
    • Absorbs toxic compounds
    £9.70 £10.80

    Delivery by November 03

    Juwel Amorax

    Juwel Amorax, Compact M

    • Part of the Juwel filter system
    • Reduces ammonium
    • Inhibits algae growth
    £5.29 £5.90

    Delivery by October 14

    JBL ProAquaTest Lab

    JBL ProAquaTest Lab

    • Simple and safe control of the water values in aquariums
    • Determines pH value, carbonate hardness, total hardness, ammonium / ammonia, nitrite, nitrate, phosphate, iron, copper, silicate, oxygen and CO2
    • Add reagents to water sample, compare with colour chart
    £88.35 £98.00 (£69.57 / kg)

    Free delivery by November 11

    Sera Siporax Professional

    Sera Siporax Professional, 1.000 ml

    • Maximises surface for settlement of beneficial bacteria
    • Biologically active immediately
    • For aquariums and ponds
    £13.23 £14.70 (£13.23 / l)

    Delivery by November 09

    JBL ProAquaTest GH

    JBL ProAquaTest GH, Refill

    • Easy and safe control of the water values of aquariums
    • Determines the optimal total hardness in freshwater and saltwater aquariums, as well as the pond
    • Colour change test: Add reagents drop by drop to the water sample
    £5.29 £5.90

    Delivery by October 14

    Seachem Matrix

    Seachem Matrix, 2 l

    • Diameter: ca. 10 mm
    • Ideal for nitrifying & denitrifying bacteria
    • Removes nitrite, nitrate & ammonia
    £35.33 £39.50 (£17.67 / l)

    Delivery by October 14

    Juwel Cirax

    Juwel Cirax, Compact M

    • Part of the Juwel filter system
    • Settlement area for bacteria
    • Highly porous ceramic granules
    £6.16 £6.85

    Delivery by November 03

    JBL ProAquaTest Nitrate

    JBL ProAquaTest Nitrate, Refill

    • Easy and safe control of the water values of aquariums
    • Determination of nitrate content in freshwater and saltwater aquariums, as well as ponds
    • Laboratory comparator system for balancing water colouration
    £10.59 £11.75

    Delivery by November 11

    JBL ProAquaTest KH

    JBL ProAquaTest KH, Refill

    • Easy and safe control of the water values of aquariums
    • Determines the optimum carbonate hardness in freshwater and saltwater aquariums, as well as ponds
    • Colour change test: Add reagents drop by drop to the water sample
    £5.29 £5.90

    Delivery by November 11

    JBL Symec Filter Wadding

    JBL Symec Filter Wadding, 1000g

    • Fast removal of all cloudiness
    • Simple application
    • Crystal clear water
    £15.89 £17.65 (£15.89 / kg)

    Delivery by October 14

    JBL ProAquaTest PO4

    JBL ProAquaTest PO4, Refill

    • Easy and safe control of the water values of aquariums
    • Determination of phosphate content in freshwater and saltwater aquariums, as well as pond
    • Laboratory comparator system for balancing water colouration
    £10.59 £11.75

    Delivery by October 14

    Dennerle CO2 Diffuser - Ultra

    Dennerle CO2 Diffuser -​ Ultra, L

    • For highly effective CO2 diffusion
    • Also suitable for bio CO2 systems
    • Made of transparent acrylic
    £11.66 £16.65

    Delivery by October 14

    Installation Set - External Filter Connections

    Eheim Installation Set -​ External Filter Connections, Pressing side 16/22

    • Design the water connection yourself
    • Secure attachment
    • For the suction and pressure sides
    £22.07 £24.50

    Delivery by November 04

    JBL CP Seal Pump Head E

    JBL CP Seal Pump Head E, e15/1900

    • High-quality seal
    • For CP e401 / 700/1/900/1 and CP e1500 / 1 / e1901h
    • Easy installation
    £12.35 £13.75

    Delivery by October 14

    JBL ProScan

    JBL ProScan

    • Water analysis and diagnosis via smartphone
    • The new generation of water analysis
    • Suitable for freshwater aquariums and ponds
    £22.07 £24.50

    Delivery by October 14

    mySCAPE-CO2 Diffuser Stainless Steel - 30 cm

    ARKA mySCAPE-​CO2 Diffuser Stainless Steel -​ 30 cm

    • Made of stainless steel
    • With ceramic membrane
    • Robust & long-lasting
    £17.65 £19.60

    Delivery by October 14

    Eheim SUBSTRATpro

    Eheim SUBSTRATpro, 2 l

    • Bio sintered quartz filter medium
    • Very dense colonisation of bacteria possible
    • Longer service life
    £35.33 £39.50 (£17.67 / l)

    Delivery by November 04

    JBL CombiBloc II CristalProfi

    JBL CombiBloc II CristalProfi, e4/7/900

    • For clean and healthy water
    • Fresh and saltwater neutral
    • No release of pollutants
    £10.19 £12.75

    Delivery by October 14

    JBL ProAquaTest Fe

    JBL ProAquaTest Fe, Refill

    • Easy and safe control of the water values of aquariums
    • Determination of the optimum iron value in freshwater and saltwater aquariums, as well as ponds
    • Laboratory comparator system to compensate for water colouration
    £11.46 £12.75

    Delivery by October 14

    Eheim Reducer for Aquarium Hose

    Eheim Reducer for Aquarium Hose, 19/27 to 12 / 16mm

    • Original Eheim quality
    • 3 sizes
    • Easy to use
    £6.16 £6.85

    Delivery by October 14

    JBL ProAquaTest pH 6.0-7.6

    JBL ProAquaTest pH 6.0-​7.6, Refill

    • Simple and safe control of the water values in aquariums
    • Determines the optimal pH value for fresh and saltwater aquariums
    • Add reagents to water sample, compare with the colour chart
    £5.29 £5.90

    Delivery by October 14

    Oase Replacement Suction Set External Filter

    Oase Replacement Suction Set External Filter

    • Secure attachment
    • Easy installation
    • High-quality parts
    £7.85

    Delivery by October 14

    JBL Filter Foam Blue

    JBL Filter Foam Blue, 50x50x2.5cm -​ Rough

    • Fast removal of cloudiness
    • Simple application
    • Crystal clear water
    £9.70 £10.80

    Delivery by October 14

    JBL PROFLORA CO2 TAIFUN INLINE 16/22

    JBL PROFLORA CO2 TAIFUN INLINE 16/22

    • Effective CO2 diffusion
    • Finest bubbles
    • Special ceramics
    £30.91 £34.50

    Delivery by October 14