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20
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$31.88 $59.99 -47%
Active Aqua Submersible Water Pump, 400 GPH
Out of stock
$30.98 $40.81 -24%
American Hydroponics Ball Valve, 1/2", pack of 10
In Stock: 67
$30.79 $64.95 -53%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 255
$30.39
3/16" ID Black Tubing 100'
In Stock: 325
$30.33 $38.48 -21%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 11
$29.55 $32.14 -8%
GrowoniX Pleated Sediment Filter | for EX/GX600, EX/GX1000, Lil Boss, and Lil Boss Deluxe - 4.5in x 9.75in - Pleated
Out of stock
$29.19 $42.95 -32%
3/4" ID Black Tubing 25'
In Stock: 979
$29.17 $37.00 -21%
Senninger Pressure Master Regulator | Flow Range 2 - 20gpm - Preset Operating Pressure 15psi - Max Inlet Pressure 95psi - Inlet 3/4in NPT (F); 1in NPT (F) 1in BSPT (F) - Outlet ...
In Stock: 63
$28.84 $29.05 -1%
Senninger Pressure Master Regulator | Flow Range 2 - 20gpm - Preset Operating Pressure 40psi - Max Inlet Pressure 120psi - Inlet 3/4in NPT (F); 1in NPT (F); 1in BSPT (F) - Outle...
In Stock: 32
$28.84 $29.05 -1%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 101
$28.58 $30.00 -5%
General Hydroponics pH Down Liquid - 1gal
In Stock: 3379
$28.50 $39.06 -27%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3741
$28.50 $39.06 -27%
1/4" OD Black Tubing 100'
In Stock: 352
$27.94 $35.47 -21%
EcoPlus ECO-264 Fixed Flow Submersible/Inline Pump - 290 GPH - 2.87 PSI
In Stock: 179
$27.85 $32.97 -16%
Netafim Pressure Regulator | 3/4in - 35psi - 5-18gpm
In Stock: 9
$27.03 $35.10 -23%
Dramm Brass Shut-Off Valve | 17gpm - 3/4in Thread
In Stock: 261
$27.01 $29.96 -10%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 17
$26.79 $26.99 -1%
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 11
$26.79 $26.99 -1%
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In Stock: 4
$26.79 $26.99 -1%
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