Controllers & Testing

40 / 60 / 80 / All
39 items found. Showing items 1 to 39.
  • Tunze USA Osmolator Universal 3155 Auto Top Off - Tunze

    $199.99
  • BRS Double Junction Lab Grade pH Probe Quick look

    Bulk Reef Supply Double Junction Lab Grade pH Probe

    reg. $59.99

    Special Price: $53.99

  • BRS Double Junction Lab Grade ORP Probe Quick look
     

    Bulk Reef Supply Double Junction Lab Grade ORP Probe

    reg. $69.99

    Special Price: $62.99

  • Seneye Reef Pack With WiFi Web Server

    $469.99
  • Seneye Reef Monitor

    $199.99
  • Red Sea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg) Quick look

    Red Sea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)

    reg. $59.99

    Special Price: $50.99

  • Digital Aquatics ReefKeeper Lite Basic

    $129.99

    Out of stock

  • Trigger Systems Crystal ATO 10 Gallon Reservoir

    $145.99
  • Trigger Systems Crystal ATO 5 Gallon Reservoir

    $99.99
  • Milwaukee Instruments, Inc. MA887 Digital Seawater Refractometer - Milwaukee

    $119.99
  • Bulk Reef Supply Refractometer for Reading Salinity with Calibration Fluid

    $39.99

    Out of stock

  • P3 International Kill A Watt PS-10 Electricity Usage Monitoring Power Strip

    $69.99
  •  

    P3 International Kill A Watt P4400 Power Meter

    $24.99
  • Salifert Calcium Aquarium Test Kit

    $18.81
  • Salifert kH/Alkalinity Aquarium Test Kit

    $16.46
  • Salifert Magnesium Aquarium Test Kit

    $19.61
  • Salifert Iodine Aquarium Test Kit

    $29.30
  • Salifert Nitrate Aquarium Test Kit

    $17.37
  • Salifert Nitrite Aquarium Test Kit

    $11.86
  • Salifert Phosphate Aquarium Test Kit

    $19.61
  • Salifert Strontium Aquarium Test Kit

    $33.18
  • Salifert pH Aquarium Test Kit

    $10.92
  • Salifert Ammonia Aquarium Test Kit

    $13.99
  • Salifert Copper Aquarium Test Kit

    $16.97
  • Salifert Silicate Aquarium Test Kit

    $16.21
  • Salifert Potassium Aquarium Test Kit

    $18.81
  • Neptune Systems Apex Controller & WAV Pump 2 Pack

    $1,199.95
  • Neptune Systems Apex Controller System

    $799.95
  • Neptune Systems LDK Leak Detection Kit

    $149.95
  • FMK Flow Monitoring Kit - Neptune Systems Quick look

    Neptune Systems FMK Flow Monitoring Kit

    $199.95
  •  

    Tunze USA SmartController 7000 - Tunze

    $347.79
  • Digital Aquatics ReefKeeper Elite Plus

    $369.99
  • Neptune Systems Energy Bar 832

    $249.95
  •  

    Hanna Instruments Low Range pH/Conductivity/TDS Combo Pen HI98129 - Hanna

    $157.99
  • Hanna Instruments Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water

    $49.00
  • Alkalinity DKH Colorimeter HI772 Hanna Checker Quick look

    Hanna Instruments Alkalinity DKH Colorimeter HI772 Hanna Checker - Marine Water

    $49.00
  • Milwaukee Instruments, Inc. Mi412 Low Range Phosphate Photometer - Milwaukee

    $177.00
  • BRS Single Junction Lab Grade pH Probe Quick look
     

    Bulk Reef Supply Single Junction Lab Grade pH Probe

    reg. $34.99

    Special Price: $31.49

  • BRS Single Junction Lab Grade ORP Probe Quick look
     

    Bulk Reef Supply Single Junction Lab Grade ORP Probe

    reg. $49.99

    Special Price: $44.99