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Best Sellers

Hanna HI504214 pH ORP controller
List Price: $1049.99
Our Price: $699.99
(save $350, 33%)
Milwaukee CO2 Regulator Needle / Solenoid Valve
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(save $45.5, 33%)
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $184.49
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MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $334.49
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(save $111.5, 33%)
Hard Carrying Case for Digital Meters
List Price: $29.99
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(save $10, 33%)
Kalkstar Kalkwasser Stirrer, Magnetic Stir Bar
List Price: $449.99
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(save $150, 33%) 4
DISCONTINUED - Media Melter 400 Calcium Reactor, A...
List Price: $581.99
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(save $194, 33%)
A.R.M. Coarse Calcium Reactor Media 1 Gallon, Cari...
List Price: $32.99
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(save $11, 33%)
Black handle for CO2 cylinders
List Price: $44.99
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(save $15, 33%)
10 Lb. Aluminum Co2 Bottle, New
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Acu-dose CO2 Pressure Regulator (360)
List Price: $89.99
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20 Lb. Aluminum Co2 Bottle, Exchange
List Price: $194.99
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ACRO Calcium Reactor AC-10, ViaAqua
List Price: $74.24
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(save $24.75, 33%)
Two Little Fishies ReBorn Calcium Reactor Media
List Price: $206.99
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(save $69, 33%)
Two Little Fishies KW Reactor 300
List Price: $105.59
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(save $35.2, 33%)
MA750 Hard Carrying Case (Thin Brief Case Size)
List Price: $44.99
Our Price: $29.99
(save $15, 33%)
Mi150 pH/ºC Combined Bench Meter
List Price: $430.49
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(save $143.5, 33%)
Portable pH Monitor Automatic Calibration, Milwauk...
List Price: $172.49
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CO2 O-Ring Washer 3 Pack
List Price: $8.99
Our Price: $4.99
(save $4, 44%)
Aluminum CO2 Flow Regulator
List Price: $40.49
Our Price: $26.99
(save $13.5, 33%)