Showing 1–24 of 112 results

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(3 Pack) Seachem Ammonia Alert 1 Year Monitor

$19.99
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Acid Test Kit

$10.78
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American Marine Pinpoint ORP Monitor

$115.38
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American Marine PINPOINT pH Monitor + Calibration Fluids

$89.93 $89.88
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American Marine Pinpoint pH Monitor Package

$109.90
-77%
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API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box

$14.99 $3.47
-4%
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API AMMONIA TEST STRIPS Freshwater and Saltwater Aquarium Water Test Strips 25-Test Box

$14.46 $13.88
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API Freshwater Aquarium Essentials Kit for Clean Water & Healthy Fish: (1) API FRESHWATER MASTER TEST KIT, (1) API STRESS COAT 16-Ounce, (1) API TROPICAL FLAKES 5.7-Ounce

$29.34
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API FRESHWATER MASTER TEST KIT – HIGH RANGE PH, AMMONIA, NITRITE, NITRATE

$33.83
-58%
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API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit

$35.79 $14.95
-42%
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API GH & KH TEST KIT Freshwater Aquarium Water Test Kit

$9.79 $5.64
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API pH TEST STRIPS Freshwater and Saltwater Aquarium Water test strips 25-Count Box

$9.99
-2%
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API POND 5 IN 1 POND TEST STRIPS Pond Water Test Strips 25-Count

$11.77 $11.49
-25%
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API POND WIDE RANGE pH TEST KIT 160-Test Pond Water Test Kit

$7.99 $6.00
-9%
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API REPLACEMENT TEST TUBES WITH CAPS For Any Aquarium Test Kit Including API Freshwater Master Test Kit 24-Count Box

$17.40 $15.85
-5%
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Aquarium Equip ISTA CO2 Indicator Drop Checker Long Term Monitor Test – Real time Solution Kits

$8.17 $7.78
-18%
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AquaticHI Aquarium Refractometer for Saltwater/Brackish / Marine/Reef Tank Testing, Automatic Temperature Control, Salinity (0-100ppt) and Specific Gravity (1.000-1.070) (Standard Kit)

$27.99 $22.99
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ATI ICP-OES Complete Saltwater Water Test Kit

$44.95
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Auto Water Filler, Don’t Need Power, Easy Setup by Marinecolor

$12.99
-3%
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Brightwell Aquatics ABAIOD500 Iodion Liquid Salt Water Conditioners for Aquarium, 17-Ounce

$11.99 $11.60
-5%
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Brightwell Aquatics GarlicPower, garlic concentrate for all marine fish & reef aquaria, 60 ml (2 fl oz)

$20.42 $19.40
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Brightwell Aquatics Refractometer Calibration Solution 60 ml

$7.95
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Ecological Labs Carbonate Alkalinity KH Test Kit

$10.03
-53%
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Fluval CO2 Indicator Solution, 0.34 fl. oz.

$12.77 $5.99