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Best Sellers

MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $334.49
Our Price: $222.99
(save $111.5, 33%)
Hard Carrying Case for Digital Meters
List Price: $29.99
Our Price: $19.99
(save $10, 33%)
Milwaukee CO2 Regulator Needle / Solenoid Valve
List Price: $136.49
Our Price: $90.99
(save $45.5, 33%)
Hanna HI504214 pH ORP controller
List Price: $1049.99
Our Price: $699.99
(save $350, 33%)
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $184.49
Our Price: $122.99
(save $61.5, 33%)
Kalkstar Kalkwasser Stirrer, Magnetic Stir Bar
List Price: $449.99
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(save $150, 33%) 4
A.R.M. Coarse Calcium Reactor Media 1 Gallon, Cari...
List Price: $32.99
Our Price: $21.99
(save $11, 33%)
Black handle for CO2 cylinders
List Price: $44.99
Our Price: $29.99
(save $15, 33%)
10 Lb. Aluminum Co2 Bottle, New
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(save $60, 33%)
CO2 Controller (Mini Gauge - Vertical)
List Price: $182.99
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(save $61, 33%)
20 Lb. Aluminum Co2 Bottle, New
List Price: $194.99
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(save $65, 33%)
Aluminum CO2 Cylinder 2.0L
List Price: $178.49
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(save $59.5, 33%)
Replacement Pump Jet Stream Pico Calcium Reactor
List Price: $57.74
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(save $19.25, 33%)
BEM101 Ph Monitor Automatic Calibration, Milwaukee
List Price: $172.49
Our Price: $114.99
(save $57.5, 33%)
Mi805 pH/EC/TDS/Temp Portable 4 In 1 Meter
List Price: $499.49
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(save $166.5, 33%)
Acu-dose CO2 Pressure Regulator (360)
List Price: $89.99
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(save $30, 33%)
20 Lb. Aluminum Co2 Bottle, Exchange
List Price: $194.99
Our Price: $129.99
(save $65, 33%)
CalciumStar Calcium reactor. Without pump.
List Price: $330.29
Our Price: $220.19
(save $110.1, 33%)
A.R.M. Extra Coarse Calcium Reactor Media 8 lbs.
List Price: $20.09
Our Price: $13.39
(save $6.7, 33%)