Testing

Test kits, meters, hydrometers and thermometers to monitor and maintain ideal water parameters.

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  • Salifert Test Kit KH/Alk

    Salifert Test Kit KH/Alk

    Salifert Test Kit KH/Alk

    $18.99
    Sale price  $18.99 Regular price  $22.99
  • Salifert Test Kit Calcium

    Salifert Test Kit Calcium

    Salifert Test Kit Calcium

    $19.99
    Sale price  $19.99 Regular price  $25.99
  • Salifert Test Kit Phosphate

    Salifert Test Kit Phosphate

    Salifert Test Kit Phosphate

    $20.99
    Sale price  $20.99 Regular price  $26.99
  • Aquarium Elements TDS Water Tester

    Aquarium Elements TDS Water Tester

    Aquarium Elements TDS Water Tester

    $9.09
    Sale price  $9.09 Regular price 
  • Aquarium Elements TDS / pH / EC / Temp Meter

    Aquarium Elements TDS / pH / EC / Temp Meter

    Aquarium Elements TDS / pH / EC / Temp Meter

    $23.64
    Sale price  $23.64 Regular price 
  • Aquarium Elements Handheld Digital pH Meter

    Aquarium Elements Handheld Digital pH Meter

    Aquarium Elements Handheld Digital pH Meter

    $12.79
    Sale price  $12.79 Regular price 
  • Aquarium Elements Premium Saltwater LED Refractometer - Large Blue Case

    Aquarium Elements Premium Saltwater LED Refractometer - Large Blue Case

    Aquarium Elements Premium Saltwater LED Refractometer - Large Blue Case

    $30.35
    Sale price  $30.35 Regular price 
  • Aquarium Elements Saltwater Refractometer - Small Blue Case

    Aquarium Elements Saltwater Refractometer - Small Blue Case

    Aquarium Elements Saltwater Refractometer - Small Blue Case

    $21.21
    Sale price  $21.21 Regular price 
  • Aquarium Elements Digital Thermometer

    Aquarium Elements Digital Thermometer

    Aquarium Elements Digital Thermometer

    $6.59
    Sale price  $6.59 Regular price 
  • Aquarium Elements Premium Saltwater Refractometer - Large Black Case

    Aquarium Elements Premium Saltwater Refractometer - Large Black Case

    Aquarium Elements Premium Saltwater Refractometer - Large Black Case

    $25.50
    Sale price  $25.50 Regular price 
  • Aquarium Elements Refractometer LED Upgrade / Replacement

    Aquarium Elements Refractometer LED Upgrade / Replacement

    Aquarium Elements Refractometer LED Upgrade / Replacement

    $6.73
    Sale price  $6.73 Regular price 
  • Aquarium Elements CR1220 Replacement Battery

    Aquarium Elements CR1220 Replacement Battery

    Aquarium Elements CR1220 Replacement Battery

    $2.49
    Sale price  $2.49 Regular price 
  • ReefH2O 3ml Pipette 25 pk

    ReefH2O 3ml Pipette 25 pk

    ReefH2O 3ml Pipette 25 pk

    $7.94
    Sale price  $7.94 Regular price 
  • ReefH2O 3ml Pipette 5 pk

    ReefH2O 3ml Pipette 5 pk

    ReefH2O 3ml Pipette 5 pk

    $3.09
    Sale price  $3.09 Regular price 
  • Red Sea MCP Test Kit Marine Care Master

    Red Sea MCP Test Kit Marine Care Master

    Red Sea MCP Test Kit Marine Care Master

    $79.99
    Sale price  $79.99 Regular price  $85.99
  • Red Sea MCP Magnesium Test Kit - 75 Tests

    Red Sea MCP Magnesium Test Kit - 75 Tests

    Red Sea MCP Magnesium Test Kit - 75 Tests

    $30.99
    Sale price  $30.99 Regular price 
  • Red Sea MCP Calcium Test Kit

    Red Sea MCP Calcium Test Kit

    Red Sea MCP Calcium Test Kit

    $29.99
    Sale price  $29.99 Regular price 
  • Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity

    Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity

    Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity

    $79.99
    Sale price  $79.99 Regular price  $85.99
  • Red Sea Algae Control Multi Test Kit (NO3/PO4) Nitrate/Phosphate

    Red Sea Algae Control Multi Test Kit (NO3/PO4) Nitrate/Phosphate

    Red Sea Algae Control Multi Test Kit (NO3/PO4) Nitrate/Phosphate

    $79.99
    Sale price  $79.99 Regular price 
  • Red Sea Phosphate PRO - Reagent Refill Kit (100 tests)

    Red Sea Phosphate PRO - Reagent Refill Kit (100 tests)

    Red Sea Phosphate PRO - Reagent Refill Kit (100 tests)

    $34.99
    Sale price  $34.99 Regular price 
  • Red Sea MCP Ammonia test Kit - 100 Tests

    Red Sea MCP Ammonia test Kit - 100 Tests

    Red Sea MCP Ammonia test Kit - 100 Tests

    $26.99
    Sale price  $26.99 Regular price 
  • Red Sea Reef Trace Colors Multitest Kit Iodine/Potassium/Iron

    Red Sea Reef Trace Colors Multitest Kit Iodine/Potassium/Iron

    Red Sea Reef Trace Colors Multitest Kit Iodine/Potassium/Iron

    $89.99
    Sale price  $89.99 Regular price  $108.99
  • Red Sea KH/Alkalinity Pro Test Refill

    Red Sea KH/Alkalinity Pro Test Refill

    Red Sea KH/Alkalinity Pro Test Refill

    $28.99
    Sale price  $28.99 Regular price  $31.99
  • Red Sea Magnesium Pro - High accuracy Titration Test Kit (100 tests) - incl. professional titrator

    Red Sea Magnesium Pro - High accuracy Titration Test Kit (100 tests) - incl. professional titrator

    Red Sea Magnesium Pro - High accuracy Titration Test Kit (100 tests) - incl. professional titrator

    $44.99
    Sale price  $44.99 Regular price