Aquarium Test Kits

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API Freshwater Master Test Kit
(1,811)

$33.49

Avg. Savings $2
Tetra 19542 EasyStrips 6-in-1 Test Strips, 25-Count
(505)

$6.82

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JNW Direct 7 in 1 Aquarium Test Strips, Best Kit for Accurate Water Quality Testing for Saltwater & Freshwater Aquariums and Fish Ponds, 100 Strip MEGA PACK
(15)

$14.99

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Seachem Stability 250ml
(91)

$9.39

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API GH and KH Test Kit
(349)

$11.98

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Seachem Ammonia Alert
(370)

$7.35

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API 5 in 1 Aquarium Test Strips
(412)

$12.98

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API Saltwater Master Test Kit
(422)

$35.98

Avg. Savings $8
API Ammonia 130 test Kit
(243)

$14.29

Avg. Savings $0.34
Seachem Purigen 100ml
(1,077)

$11.69

Avg. Savings $0.20
API Reef Master Test Kit
(182)

$32.79

Avg. Savings $8
API Ammonia Test Strips
(35)

$16.98

Avg. Savings $5
Seachem Purigen Ultimate Filtration 100 ml. Bag Aquarium Fish Tank Filter Media

$19.99

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API Nitrate Test Kit
(144)

$12.25

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API Phosphate Test Kit
(159)

$13.99

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Salifert Carbonate Hardness & Alkalinity (Kh/Alk) Test Kit, 100-200 Tests
(54)

$13.31

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Salifert Phosphate Test Kit
(32)

$15.59

Avg. Savings $0.79
HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

$12.85

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Red Sea Fish Pharm ARE21525 Marine Care Test Kit for Aquarium
(65)

$52.54

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RC Hagen A7860 Master Test Kit - Contains 10 Test parameters
(38)

$100.49

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Hanna Marine Alkalinity (dKH) Checker® HC - HI772
(6)

$63.95

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API Replacement Test Tubes with Caps (24 Count)
(103)

$26.59

Avg. Savings $2
Pondcare Liquid Master Test Kit

$38.80

Avg. Savings $3
ZAOJIAO Auto-top-off ATO solution auto water filler Adjustable Float Valve Mounting for Aquarium sump

$14.99

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Tetra 19543 EasyStrips 6-in-1 Test Strips, 100-Count
(501)

$19.19

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API Freshwater PH Test Kit, 250 tests per Kit
(181)

$7.98

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Salifert Magnesium (MG) Test Kit
(83)

$15.58

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API Pondcare 5-in-1 Pond Test Strips
(57)

$14.98

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Sera NO3 Aquarium Test Kit

$14.35

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Total Chlorine Test Strips

$16.80

Avg. Savings $4
Sera Flore Active CO2 Reactor 500 - Small 66-160 Gal
(10)

$41.00

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Sera pH Aquarium Test Kit

$10.20

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API Copper Test Kit
(83)

$12.48

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API High Range PH Test Kit 1 1/4 Fl Oz.
(65)

$9.48

Avg. Savings $1
Seachem MultiTest Ammonia Test Kit
(47)

$21.05

Avg. Savings $3
API Pondcare Wide Range PH Test Kit
(30)

$8.99

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API PH test Strips
(13)

$12.63

Avg. Savings $1
SENEYE Reef Aquarium Monitor and Par Meter
(4)

$229.99

Avg. Savings $32
Aquarium Tank Ph Orp Probe Electrode Holder, Hose Holder Fixture Acryl (4 Probe)
(1)

$9.99

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Hanna Instruments Two Pack HI772-26 (HI755-26) Alkalinity Checker Reagent for 50 tests

$25.98

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Tetra 19541 EasyStrips Ammonia Test Strips, 100-Count
(127)

$29.99

Avg. Savings $6
API Calcium Test Kit
(106)

$12.25

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API Nitrite Test Kit
(100)

$11.94

Avg. Savings $1
API PH Test and Ajuster Combo Test Kit
(51)

$12.98

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Salifert Calcium (Ca) Test Kit - 50 to 100 Tests
(45)

$15.99

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Fluval CO2 Indicator Solution, 0.34 fl. oz.
(36)

$6.99

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Seachem MultiTest Nitrite and Nitrate Test Kit
(30)

$19.97

Avg. Savings $2
Seachem MultiTest Iron Test Kit
(30)

$15.30

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Red Sea Fish Pharm ARE21420 Saltwater Nitrate Pro Test Kit for Aquarium, 100 Tests
(18)

$40.27

Avg. Savings $0.68
Red Sea Fish Pharm ARE21405 Saltwater Calcium Pro Test Kit for Aquarium, 75 Tests
(8)

$31.02

Avg. Savings $6