Controllers & Testing

  • 12V Power Supply - Neptune Systems

    15 Reward Points
    $15.99
    Please wait...
  • Hanna Graduated 1 mL Syringe Set HI740142P (10 Piece)

    15 Reward Points
    $15.99
    Please wait...
  • Salifert pH Aquarium Test Kit

    15 Reward Points
    $15.99
    Please wait...
  • Float Switch Kits - Digital Aquatics

    15 Reward Points
    $15.99
    Please wait...
  • Red Sea Magnesium Pro Reagent Refill Kit

    16 Reward Points
    $16.99
    Please wait...
  • HI758-11 Calcium Standards for HI758 Hanna Checker - Marine Water

    16 Reward Points
    $16.99
    Please wait...
  • Red Sea Alkalinity Pro Reagent Refill Kit

    16 Reward Points
    $16.99
    Please wait...
  • Red Sea Calcium Pro Reagent Refill Kit

    16 Reward Points
    $16.99
    Please wait...
  • Elos Nitrite Aqua Test Kit Quick look

    Elos Nitrite Aqua Test Kit

    17 Reward Points

    reg. $20.99

    Special Price: $17.84

    Please wait...
  • Hanna Test Kit HI3831T - Total Chlorine for Fresh Water

    17 Reward Points
    $17.99
    Please wait...
  • Aqua Illumination Sol Interface Cable to Apex VDM Module - Neptune Systems

    17 Reward Points
    $17.99
    Please wait...
  • Elos KH (Alkalinity) Aqua Test Kit

    17 Reward Points
    $17.99
    Please wait...
  • HI705-11 Silica LR Calibration Standards Quick look

    HI705-11 Silica LR Calibration Standards

    18 Reward Points

    reg. $21.99

    Special Price: $18.69

    Please wait...
  • HI707-11 Nitrite LR Calibration Standards

    18 Reward Points
    $18.99

    Out of stock

  • HI700-11 Ammonia LR Calibration Standards for HI700 Hanna Checker - Fresh Water

    18 Reward Points
    $18.99

    Out of stock

  • Hanna Test Kit HI3831F - Free Chlorine for Fresh Water

    18 Reward Points
    $18.99
    Please wait...
  • HI775-11 Alkalinity Standards for HI775 Hanna Checker - Fresh Water

    18 Reward Points
    $18.99
    Please wait...
  • HI749-11 Chromium VI LR Calibration Standards

    18 Reward Points
    $18.99

    Out of stock

  • HI771-11 Total Chlorine UHR Standards

    18 Reward Points
    $18.99
    Please wait...
  • Red Sea Ammonia Test Kit

    18 Reward Points
    $18.99
    Please wait...
  • Red Sea pH / Alkalinity Test Kit

    18 Reward Points
    $18.99
    Please wait...
  • HI716-11 Bromine Calibration Standards

    18 Reward Points
    $18.99
    Please wait...
  • Hanna Deionized Water HI70436 3.78 mL

    18 Reward Points
    $18.99
    Please wait...
  • Digital Heater Calibration Thermometer - OXO Good Grips

    19 Reward Points
    $19.99
    Please wait...
  • HI775-25 Alkalinity Reagents - Fresh Water

    19 Reward Points
    $19.99
    Please wait...
  • LED Digital Thermometer - Lifegard

    19 Reward Points
    Please wait...
  • Magnesium REEFER Test Kit - NYOS

    19 Reward Points
    $19.99
    Please wait...
  • Hamilton 24-Hour Grounded Digital Timer

    19 Reward Points
    $19.99
    Please wait...
  • HI715-11 Ammonia MR Standards for HI715 Hanna Checker - Fresh Water

    19 Reward Points
    $19.99

    Out of stock

  • Salifert Copper Aquarium Test Kit

    19 Reward Points
    $19.99
    Please wait...
  • Reagents for LaMotte Alkalinity Test Kit

    19 Reward Points
    $19.99
    Please wait...
  • Salifert Nitrite Aquarium Test Kit

    19 Reward Points
    $19.99
    Please wait...