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Collection: Testing Supplies

Shop testing supplies for your aquarium
41 products
  • ATI ICP-OES Water Analysis
    Vendor
    ATI
    Regular price
    $44.95
    Sale price
    $44.95
  • MARINE SALINITY TESTER HI98319
    Vendor
    Hanna Instruments
    Regular price
    $69.00
    Sale price
    $69.00
  • 35 PPT SALINITY CALIBRATION SOLUTION (BOX OF 25 PACKETS) HI70024P
    Vendor
    Hanna Instruments
    Regular price
    $26.00
    Sale price
    $26.00
  • 35 PPT SALINITY CALIBRATION SOLUTION (5 PACKETS)
    Vendor
    Hanna Instruments
    Regular price
    $5.25
    Sale price
    $5.25
  • HI772 DKH ALKALINITY CHECKER
    Vendor
    Hanna Instruments
    Regular price
    $49.95
    Sale price
    $49.95
  • HI772-26 MARINE ALKALINITY CHECKER HC REAGENT 25 Tests
    Vendor
    Hanna Instruments
    Regular price
    $9.00
    Sale price
    $9.00
  • HI774 ULTRA LOW RANGE PHOSPHATE CHECKER
    Vendor
    Hanna Instruments
    Regular price
    $49.95
    Sale price
    $49.95
  • HI774-25 PHOSPHATE ULTRA LOW RANGE CHECKER HC REAGENT (25 TESTS)
    Vendor
    Hanna Instruments
    Regular price
    $9.00
    Sale price
    $9.00
  • HI758U Marine Calcium Checker HC Colorimeter
    Vendor
    Hanna Instruments
    Regular price
    $49.95
    Sale price
    $49.95
  • HI758U-26 MARINE CALCIUM CHECKER HC REAGENTS FOR 25 TESTS
    Vendor
    Hanna Instruments
    Regular price
    $23.00
    Sale price
    $23.00
  • HI70436 DEIONIZED WATER
    Vendor
    Hanna Instruments
    Regular price
    $10.00
    Sale price
    $10.00
  • HI713-25 PHOSPHATE LOW RANGE CHECKER® HC REAGENTS (25 TESTS)
    Vendor
    Hanna Instruments
    Regular price
    $9.00
    Sale price
    $9.00
  • Nyos Calcium Reefer test Kit - 50 Tests
    Vendor
    Nyos
    Regular price
    $19.99
    Sale price
    $19.99
  • Nyos Alkalinity Reefer test Kit - 50 Tests
    Vendor
    Nyos
    Regular price
    $14.99
    Sale price
    $14.99
  • Nyos Magnesium Reefer test Kit - 50 Tests
    Vendor
    Nyos
    Regular price
    $19.99
    Sale price
    $19.99
  • Nyos Nitrate Reefer test Kit - 50 Tests
    Vendor
    Nyos
    Regular price
    $24.99
    Sale price
    $24.99
  • Nyos Phosphate Reefer test Kit - 50 Tests
    Vendor
    Nyos
    Regular price
    $24.99
    Sale price
    $24.99
  • H713 LOW RANGE PHOSPHATE CHECKER®
    Vendor
    Hanna Instruments
    Regular price
    $49.95
    Sale price
    $49.95
  • HI98509 CHECKTEMP High Accuracy Digital Thermometer
    Vendor
    Hanna Instruments
    Regular price
    $39.00
    Sale price
    $39.00
  • HI731315 GLASS CUVETTES AND CAPS FOR CHECKER® HC COLORIMETERS (SET OF 2)
    Vendor
    Hanna Instruments
    Regular price
    $9.00
    Sale price
    $9.00
  • HI98501 CHECKTEMP High Accuracy Digital Thermometer
    Vendor
    Hanna Instruments
    Regular price
    $37.00
    Sale price
    $37.00
  • HI702 Copper High Range Checker® HC
    Vendor
    Hanna Instruments
    Regular price
    $49.95
    Sale price
    $49.95
  • HI702-25 COPPER HIGH RANGE CHECKER® HC REAGENTS (25 TESTS)
    Vendor
    Hanna Instruments
    Regular price
    $10.00
    Sale price
    $10.00
  • Red Sea Alkalinity Pro Reagent Refill Kit
    Vendor
    Red Sea
    Regular price
    Sold out
    Sale price
    $17.99
  • Red Sea Calcium Pro Reagent Refill Kit
    Vendor
    Red Sea
    Regular price
    Sold out
    Sale price
    $17.99