Controllers & Testing

  • Salifert Silicate Aquarium Test Kit

    21 Reward Points
    $21.99
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  • Hanna Glass Cuvette Set HI731321 (4 Piece)

    20 Reward Points
    $20.99
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  • LaMotte Armored Thermometer

    20 Reward Points
    $20.99
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  • Elos Ammonia Aqua Test Kit

    20 Reward Points
    $20.99
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  • HI733-25 Ammonia HR Reagents - Fresh Water Quick look

    HI733-25 Ammonia HR Reagents - Fresh Water

    20 Reward Points

    reg. $23.99

    Special Price: $20.39

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  • Red Sea Iodine Pro Reagent Refill Kit

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

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

    19 Reward Points
    $19.99
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  • Salifert kH/Alkalinity Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Magnesium REEFER Test Kit - NYOS

    19 Reward Points
    $19.99
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  • Calcium REEFER Test Kit - NYOS

    19 Reward Points
    $19.99
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  • Digital Heater Calibration Thermometer - OXO Good Grips

    19 Reward Points
    $19.99
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  • EcoPlus Dual Digital Timer

    19 Reward Points
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  • Hamilton 24-Hour Grounded Digital Timer

    19 Reward Points
    $19.99
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  • Triple Digital Timer - OXO Good Grips

    19 Reward Points
    $19.99
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  • 2 Channel Apex to Tunze Stream Cable - Neptune Systems

    19 Reward Points
    $19.99
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  • Salifert Copper Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Salifert Ammonia Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Salifert Nitrite Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Little Time or Temp - Lifegard

    19 Reward Points
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  • LED Digital Thermometer - Lifegard

    19 Reward Points
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  • Red Sea Ammonia Test Kit

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

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

    18 Reward Points
    $18.99
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  • HI708-11 Nitrite HR Standards for HI708 Hanna Checker - Fresh Water Quick look

    HI708-11 Nitrite HR Standards for HI708 Hanna Checker - Fresh Water

    18 Reward Points

    reg. $22.00

    Special Price: $18.70

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  • HI715-25 Ammonia MR reagents - Fresh Water Quick look

    HI715-25 Ammonia MR reagents - Fresh Water

    18 Reward Points

    reg. $21.99

    Special Price: $18.69

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  • HI705-11 Silica LR Calibration Standards Quick look

    HI705-11 Silica LR Calibration Standards

    18 Reward Points

    reg. $21.99

    Special Price: $18.69

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  • Elos KH (Alkalinity) Aqua Test Kit

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

    17 Reward Points
    $17.99
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  • HI740230 Demineralized Water, 230 mL Quick look

    Hanna Demineralized Water HI740230 230 mL

    17 Reward Points

    reg. $20.99

    Special Price: $17.84

    Out of stock

  • Elos Nitrite Aqua Test Kit Quick look

    Elos Nitrite Aqua Test Kit

    17 Reward Points

    reg. $20.99

    Special Price: $17.84

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  • HI715-11 Ammonia MR Standards for HI715 Hanna Checker - Fresh Water Quick look

    HI715-11 Ammonia MR Standards for HI715 Hanna Checker - Fresh Water

    16 Reward Points

    reg. $19.99

    Special Price: $16.99

    Out of stock