Shop Online RED HOT Specials Aquariums Aqua OneAquaelDalbarbRed SeaOtherEheimCadeAqua Nova Decorations Silk plantsLive plantsOrnamentsRocksSubstratePlant & Coral Tools DVD & Books DVDsCichlid BooksMarine Books Electrical Equipment Air pumpsChillersFiltersSkimmersFilter mediaHeatersLightingWater pumpsAquatronica ProductsSkimz ProductsEheim ProductsCO2 InjectionCompact Reverse Osmosis SystemReverse Osmoisis AccessoriesAqua Nova Co2 Mini KitAluminium CylindersMulti Directional reactorCO2 DiffuserCO2 Connector SetCO2 Bubble counterNon Return ValvesCO2 RegulatorExternal Canister Filter Spare PartsExternal Hang on FiltersInternal FiltersAquariums accessories Food PelletsFlakesLive FeedersFrozenOther Health & Maintenance Algae TreatmentsCleaning productsMedicationsPest controlGlasware Water Quality BuffersSaltsTest KitsWater ConditionersHydrometerShrimp Equipment Supplements Live Fish African CichlidsAfrican River CichlidsAmerican CichlidsDwarf American CichlidsGoldfishTropicalCatfishAustralian NativesMarineRare marineRare tropical Package Deals Pond EquipmentFishPonds Reptiles Universal rock Bundle Deals Other Services Spare Parts Red SeaAqua OneEheimAquaelFluval Used bargains Aquarium Rentals Custom Tanks Gift Vouchers Water Testing Consulting Resources News Articles Video Image Gallery „Every trip to Majestic turns into a fish class. I am learning more and more about my beautiful Koi. I had some very tricky requests when I installed my pond, but Majestic stuck with me until I got it right. Its so good to find some good old fasion service still alive today.” - Darryl Ward read more testimonials Home > Electrical Equipment > Aquatronica Products Sort: A-Z Z-A Lowest price Highest price Aquatronica Products Active Hub $110.65 Read more Buy now Calibration Solution - pH10 $17.90 Read more Buy now Calibration Solution - pH7 $17.90 Read more Buy now Calibration Solution - REDOX (220mV) $26.85 Read more Buy now Calibration Solution Density (N) - 53mS (marine) $23.45 Read more Buy now Control Unit (inc Temperature Sensor) $464.85 Read more Buy now Density Electrode - Marine $273.60 Read more Buy now Density Interface - Marine $97.40 Read more Buy now Dosing Pump - 3 Way $531.30 Read more Buy now Dosing Pump Accessory Kit $66.40 Read more Buy now Electrode Cleaning Solution $23.85 Read more Buy now Electrode Holder $16.35 Read more Buy now Ethernet Module $221.35 Read more Buy now Graduated Measuring Cylinder $3.55 Read more Buy now Light Dimming Module $132.80 Read more Buy now Marine Aquarium Set - Advanced $1374.15 Read more Buy now Marine Aquarium Set - Professional $2245.50 Read more Buy now Marine Aquarium Set - Standard $1105.95 Read more Buy now PC Interface - USB $110.65 Read more Buy now pH Electrode $132.35 Read more Buy now pH Interface $97.40 Read more Buy now Power Unit - 6 outlet $325.65 Read more Buy now Redox Electrode $166.90 Read more Buy now REDOX Interface $97.40 Read more Buy now SMS Module $619.85 Read more Buy now Starter Set - Special Offer $798.55 Read more Buy now Temperature and Level Interface $97.40 Read more Buy now Temperature Sensor $30.95 Read more Buy now USB M-F Extension Cable 5m $19.55 Read more Buy now USB M-M Certified Cable 5m $19.40 Read more Buy now USB M-M Extension Cable 2m $19.90 Read more Buy now Water Leakage Interface $97.40 Read more Buy now Water Leakage Sensor $53.10 Read more Buy now Water Level Sensor - 2 State $39.80 Read more Buy now Product of the month Easy-Life Why shop with us? Best Products Best Prices Best Service Follow us Join the Club Join the Majestic Aquariums club and receive our regular informative newsletter. Just fill in your email addess below Featured video Flowerhorn cichlids in jaw lock