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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
List Price: $136.49
Our Price: $94.99
(save $41.5, 30%)
MC122 Ph Controller With Standard Plug Socket, Mil...
List Price: $184.49
Our Price: $122.99
(save $61.5, 33%)
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%)
DL122 pH and Temperature Controller with IDC, Milw...
List Price: $699.99
Our Price: $349.99
(save $350, 50%)
DActive Air CO2 System (2-20 cubic feet per hour) ...
List Price: $174.99
Our Price: $114.99
(save $60, 34%)
Red Sea Co2 Pro System Deluxe
List Price: $321.74
Our Price: $214.49
(save $107.25, 33%)
High Precision CO2 Needle Valve, Red Sea.
List Price: $59.39
Our Price: $39.59
(save $19.8, 33%)
Black handle for CO2 cylinders
List Price: $44.99
Our Price: $29.99
(save $15, 33%)
10 Lb. Aluminum Co2 Bottle, New
List Price: $179.99
Our Price: $119.99
(save $60, 33%)
Hydrofarm 1/4 Inch Od By 1/8 Inch Id clear Tubing
List Price: $11.95
Our Price: $10.99
(save $0.96, 8%)
Turbo CO2 Bio-System, Red Sea
List Price: $44.54
Our Price: $29.69
(save $14.85, 33%)
1/4 Inch Od By 1/8 Inch Id Co2 Safe Tubing
List Price: $0.3
Our Price: $0.2
(save $0.1, 33%)
20 Lb. Aluminum Co2 Bottle, Exchange
List Price: $194.99
Our Price: $129.99
(save $65, 33%)
MA750 Hard Carrying Case (Thin Brief Case Size)
List Price: $44.99
Our Price: $29.99
(save $15, 33%)
Mi106 PH /ORP/Temp Combined Portable Meter
List Price: $578.99
Our Price: $408.5
(save $170.49, 29%)
Portable pH Monitor Manual Calibration, Milwaukee ...
List Price: $121.49
Our Price: $80.99
(save $40.5, 33%)
1/8 in Brass Closed Nipple, MPT
List Price: $1.49
Our Price: $0.99
(save $0.5, 33%)