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Aquarium Test Kits contain testing equipment that is necessary to maintain and measure proper aquarium water parameters. Choose from our quality selection of testing equipment at Pet Supplies Now, to help maintain ideal conditions for your saltwater or freshwater fish.

Aquarium Test Kits - 91 Products

API Nitrate Watertest Fresh and Saltwater
API Nitrate Watertest Fresh and Saltwater
$13.78
$13.78
Quantity:  
API Test Tubes with Caps for Aquariums 24Pk
API Test Tubes with Caps for Aquariums 24Pk
$18.51
$18.51
Quantity:  
API Water Test Ammonia for Freshwater and Saltwater
API Water Test Ammonia for Freshwater and Saltwater
$13.42
$13.42
Quantity:  
Kent Hydrometer for Aquariums
Kent Hydrometer for Aquariums
$7.30
$7.30
Quantity:  
Mardel 5in1 Fw/sw 25test
Mardel 5in1 Fw/sw 25test
$11.55
$11.55
Quantity:  
Mardel Master Test Kit Fw/sw
Mardel Master Test Kit Fw/sw
$20.44
$20.44
Quantity:  
Seachem Ammonia and pH Alert Combo Pack for Aquariums
Seachem Ammonia and pH Alert Combo Pack for Aquariums
$11.75
$11.75
Quantity:  
Seachem Reef Magnesium Kit
Seachem Reef Magnesium Kit
$55.06
$55.06
Quantity:  
Ap Test Kit Liquid Pro Fr/salt
Ap Test Kit Liquid Pro Fr/salt
$128.26
$128.26
Quantity:  
Io Ocean Master Test Kit
Io Ocean Master Test Kit
$68.09
$68.09
Quantity:  
Io Test Kit Calcium
Io Test Kit Calcium
$25.48
$25.48
Quantity:  
Io Reagent Phosphate Refill
Io Reagent Phosphate Refill
$13.01
$13.01
Quantity:  
Io Reef Master Test Kit
Io Reef Master Test Kit
$110.04
$110.04
Quantity:  
Io Reagent Ammo Refill (1 & 2)
Io Reagent Ammo Refill (1 & 2)
$15.89
$15.89
Quantity:  
Io Reagent Nitrite Refill
Io Reagent Nitrite Refill
$6.74
$6.74
Quantity:  
Io Reagent Nitrate Refill
Io Reagent Nitrate Refill
$10.70
$10.70
Quantity:  
Io Reagent Ph Refill
Io Reagent Ph Refill
$6.57
$6.57
Quantity:  
Jungle Correct Ph T/b 8 Tab
Jungle Correct Ph T/b 8 Tab
$4.03
$4.03
Quantity:  
Lfgd 6way All Purpose Test Kit
Lfgd 6way All Purpose Test Kit
$27.30
$27.30
Quantity:  
Lfgd 5 Way Test Strips
Lfgd 5 Way Test Strips
$14.54
$14.54
Quantity:  
Lfgd Ammonia Test Strips
Lfgd Ammonia Test Strips
$15.86
$15.86
Quantity:  
Mardel Liveph Meter
Mardel Liveph Meter
$5.81
$5.81
Quantity:  
Mardel Liveph Refill Pk 1pc
Mardel Liveph Refill Pk 1pc
$11.02
$11.02
Quantity:  
Mardel Livemeter Refill 1 Pc
Mardel Livemeter Refill 1 Pc
$12.03
$12.03
Quantity:  
Mardel 5in1 Fw/sw 100test
Mardel 5in1 Fw/sw 100test
$28.37
$28.37
Quantity:  
Mardel Wtr Qlty Ammnia Tst 4pc
Mardel Wtr Qlty Ammnia Tst 4pc
$5.91
$5.91
Quantity:  
Mardel Mini Mstr Test Kit 8pk
Mardel Mini Mstr Test Kit 8pk
$8.93
$8.93
Quantity:  
Mardel 5in1 Test Strips 4pc
Mardel 5in1 Test Strips 4pc
$4.87
$4.87
Quantity:  
Mardel Ammonia F/s 25test
Mardel Ammonia F/s 25test
$11.67
$11.67
Quantity:  
Mardel Livenh3 (ammonia) Meter
Mardel Livenh3 (ammonia) Meter
$5.67
$5.67
Quantity: