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128
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 47
$38.17 $46.13 -17%
HydroLogic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In Stock: 30
$37.48 $45.21 -17%
Active Aqua Air Pump, 4 Outlets, 6W, 15 L/min
In Stock: 529
$37.48 $45.28 -17%
Hydrologic MicRO RO Membrane, 75 GPD
Out of stock
$37.26 $59.95 -38%
Heavy Duty Tomato Barrel w/Tower (Case of 4)
In Stock: 1878
$37.18 $48.99 -24%
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In Stock: 53
$36.80
EcoPlus Eco Air 4 Adjustable Air Pump - 253 GPH - 4 Outlet
In Stock: 128
$36.79 $43.00 -14%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 200gph - 6.5ft Max Pumping Height - Includes : 1/4in and 1/2in Tubing Adapters - Grounded Power Cord
In Stock: 105
$36.75 $58.99 -38%
3/8" ID Clear Tubing 100'
In Stock: 110
$36.67 $46.48 -21%
Basket Drip Stake w/Cage: Pack of 100
Out of stock
$35.63 $43.04 -17%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 94
$35.56 $42.95 -17%
Hydro Systems Weighted Filter Barb | 3/8in - #80026
Out of stock
$35.24 $35.50 -1%
Hydro Systems Suction Tube Filter | #011-026
Out of stock
$35.23 $35.49 -1%
Netafim Black Polyethylene Tubing | 16mm - .52in Diam - Black - 100ft per Roll
In Stock: 5
$34.75 $37.99 -9%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
Out of stock
$34.37 $39.95 -14%
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 78
$33.99 $41.95 -19%
60-Degree Angled Drip Stake, pack of 100
In Stock: 21
$33.89 $40.94 -17%
EcoPlus Convertible Bottom Draw Water Pump - 265 GPH
In Stock: 98
$33.69 $40.26 -16%
Netafim Black Polyethylene Tubing | .75in - .82in Diam - Black - 100ft per Roll
In Stock: 4
$33.51 $36.66 -9%
Hanna Electrode Storage Solution
In Stock: 7
$33.49 $33.74 -1%
Dilution Solutions 3/4 in Mixing Chamber Sunshade
Out of stock
$33.04
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 77
$32.82 $45.51 -28%
EcoPlus ECO-396 Fixed Flow Submersible/Inline Pump - 396 GPH - 2.87 PSI
In Stock: 321
$32.72 $36.88 -11%
Hydrofarm Active Aqua Air Pump | 8 Outlet - 25 L/min
In Stock: 18
$32.58 $79.99 -59%
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 22
$32.09 $34.21 -6%
Netafim 3mm Plastic Punch | 3mm Blue
In Stock: 22
$32.04 $34.82 -8%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$31.88 $59.99 -47%
American Hydroponics Ball Valve, 1/2", pack of 10
In Stock: 67
$30.79 $64.95 -53%
3/4" ID Black Tubing 25'
In Stock: 979
$30.64 $37.00 -17%
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%
Active Aqua Submersible Water Pump, 400 GPH
Out of stock
$29.61 $40.81 -27%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 11
$29.55 $32.14 -8%
1/4" OD Black Tubing 100'
In Stock: 352
$29.37 $35.47 -17%
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: 3398
$28.50 $39.06 -27%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3749
$28.50 $39.06 -27%
EcoPlus ECO-264 Fixed Flow Submersible/Inline Pump - 290 GPH - 2.87 PSI
In Stock: 173
$27.85 $32.97 -16%
Netafim Pressure Regulator | 3/4in - 35psi - 5-18gpm
In Stock: 12
$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%
Active Aqua Air Stone, Round, 8" x 1"
In Stock: 301
$26.72 $31.49 -15%
Active Aqua Submersible Water Pump, 250 GPH
Out of stock
$26.39 $33.23 -21%
EZ Clone 360-Degree Replacement Mister, pack of 50
In Stock: 171
$26.21 $30.88 -15%
Hydro Systems Repair Kit A | For MiniDos 2.5% Viton
Out of stock
$26.08 $26.27 -1%
Hydrofarm Electronic Water Timer
In Stock: 1152
$26.07 $31.49 -17%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 120gph - Grounded Power Cord
In Stock: 65
$25.99 $39.99 -35%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$25.93 $31.35 -17%
Bluelab pH Probe KCl Storage Solution | 250ml
In Stock: 259
$25.86 $35.86 -28%
Hanna General-Purpose Cleaning Solution | 230ml
In Stock: 4
$25.45 $25.64 -1%
Hydro Systems O-Ring | 5.237 x 5.551 x 0.157 - Buna-N NBR
Out of stock
$25.41 $25.60 -1%
GrowoniX Quick Connect Float Valve with Quick-Connect | for 1/4in or 3/8in
In Stock: 1
$25.41 $33.39 -24%
Dramm Aluminum Shut-Off Valve | 3/4in Male-Female Thread
In Stock: 196
$25.29 $28.24 -10%
FloraFlex QDPS Multi Flow Bubbler, Elbow, 3/4"
In Stock: 31
$25.21 $33.21 -24%
FloraFlex QDPS Multi Flow Bubbler, T, 3/4"
In Stock: 30
$25.21 $33.21 -24%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 93gph - Grounded Power Cord
In Stock: 28
$24.99 $37.99 -34%
Hydro Flow Premium Vinyl Tubing - 100ft Roll - 3/16in ID - Black
In Stock: 78
$24.90 $29.40 -15%
Bluelab Probe Care Kit | for Bluelab pH Probes
In Stock: 22
$24.87 $34.48 -28%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 57
$24.74 $35.65 -31%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 51
$24.70 $31.35 -21%
FloraFlex Matrix, 10.5"-12", Pack of 12
In Stock: 25
$24.52 $58.99 -58%
FloraFlex QDPS Open Flow Bubbler, T, 3/4"
In Stock: 55
$24.41 $32.16 -24%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$24.38 $33.99 -28%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$24.38 $33.99 -28%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 24
$24.00 $28.99 -17%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 176
$23.97 $29.08 -18%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 68
$23.90 $31.50 -24%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In Stock: 65
$23.88 $26.78 -11%
HydroLogic Stealth-RO Quick Connect Float Valve - 1/4in QC
In Stock: 126
$23.56 $28.46 -17%
HydroLogic Evolution-RO 1000 & TALLBoy Quick Connect Float Valve - 3/8in QC
In Stock: 785
$23.56 $28.46 -17%
HydroLogic Evolution-RO Barbed Float Valve - 1/2in
In Stock: 299
$23.56 $28.46 -17%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 70gph - Grounded Power Cord
In Stock: 23
$22.99 $32.99 -30%
Hydro Systems Replacement Parts | 1in x 3/4in NPT - #8010024N
Out of stock
$22.79 $22.96 -1%
HM Digital TDS-3 Handheld TDS meter
In Stock: 35
$22.76 $33.99 -33%
Active Aqua Grow Flow Bottom-Draw Pump, 220 GPH
In Stock: 1795
$22.65 $27.35 -17%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 58
$22.20 $29.26 -24%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 65gph - for larger Tabletop Fountains, Small Garden Fountains, Piped Statuary and Shallow Water Conditions
In Stock: 33
$22.19 $36.99 -40%
Active Aqua 1" Fill/Drain Fitting, pack of 10
In Stock: 130
$22.16 $26.55 -17%
Hydro Systems Dosage Piston #44 | #010044P
Out of stock
$21.98 $22.14 -1%
Hydro Systems Dosage Piston | 2.5% - Poly White - #010-044P
Out of stock
$21.96 $22.13 -1%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 20
$21.74 $29.99 -28%
Dramm Plastic Syphonject w/External Check valve 12/CS
In Stock: 15
$21.65 $21.82 -1%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 67
$21.47 $24.95 -14%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Blue
In Stock: 58
$21.31 $25.75 -17%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Black
In Stock: 52
$21.31 $25.75 -17%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 49
$20.71 $28.73 -28%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 437
$20.71 $28.73 -28%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 477
$20.71 $28.73 -28%
Dramm #74 Full Flow Shut-Off Valve | 18gpm Ergonomic Grip
In Stock: 407
$20.61 $23.11 -11%
Dramm OneTouch High-Flow Valve | 16gpm
In Stock: 113
$20.56 $22.91 -10%
Active Aqua Air Pump, 2 Outlets, 3W, 7.8 L/min
In Stock: 921
$20.47 $23.96 -15%
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
In Stock: 1
$20.29 $24.50 -17%
FloraFlex Matrix, 9"-10.5", Pack of 12
In Stock: 15
$20.23 $44.99 -55%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 225
$20.18 $24.39 -17%
Senninger Pressure Regulator | Flow Range 0.1 - 8gpm - Preset Operating Pressure 20psi - Max Inlet Pressure 100psi - Inlet 3/4in NPT (F) - Outlet 3/4in NPT (F)
In Stock: 31
$20.13 $20.28 -1%
Aquascape Statuary & Fountain Pump | 90gph Max Flow - 3ft Max Height - 4.3 Watts
In Stock: 8
$19.98 $25.98 -23%
GroStar pH Probe Maintanence Kit
In Stock: 89
$19.86 $23.99 -17%
1/2" ID Black Tubing 25'
In Stock: 536
$19.49 $23.55 -17%
1/4" OD Clear Tubing 100'
In Stock: 126
$19.44 $23.50 -17%
EcoPlus Eco Air 2 Adjustable Air Pump - 126 GPH - 2 Outlet
In Stock: 160
$19.35 $22.85 -15%
Raindrip Poly Tubing | 1/2in Diam x 100ft - Coiled
In Stock: 46
$18.77 $28.99 -35%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 35gph - for smaller Tabletop Fountains
In Stock: 23
$18.45 $29.99 -38%
EcoPlus ECO-185 Fixed Flow Submersible/Inline Pump - 158 GPH - 1.77 PSI
In Stock: 175
$18.26 $23.55 -22%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2591
$18.24 $22.04 -17%
Raindrip Pressure Compensating Drippers, 2 GPH, pack of 25
In Stock: 231
$18.19 $21.97 -17%
Active Aqua 1/2" Fill/Drain Fitting, pack of 10
In Stock: 695
$18.05 $21.83 -17%
OASE Vinyl Tubing | 1/2in Diam x 20ft L
Out of stock
$17.94 $25.99 -31%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In Stock: 9
$17.91 $24.83 -28%
OASE Pump Shield | 15in L x 15in W
In Stock: 8
$17.75 $24.99 -29%
Raindrip Fix It Kit | 1/4 inch
Out of stock
$17.42 $26.99 -35%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.32 $31.99 -46%
Raindrip Y Filter | 3/4 inch/Handles up to 720 GPH
In Stock: 9
$17.25 $26.99 -36%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.00 $49.95 -66%
EcoPlus Commercial Grade Chiller Fitting Kit - For EcoPlus Commercial Chillers
In Stock: 99
$16.88 $21.53 -22%
Dilution Solution Pressure Gauge, 0-100 PSI, 1/4" Mount
In Stock: 17
$16.88
FloraFlex Tubing 1/4 Inch OD
In Stock: 197
$16.84 $21.59 -22%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 69
$16.81 $20.31 -17%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 3091
$16.62 $22.75 -27%
Dramm One Touch Valve | 8gpm
In Stock: 424
$16.56 $16.69 -1%
P3 International Save a Drop Water Meter
In Stock: 4061
$16.52 $19.95 -17%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 67
$16.45 $19.99 -18%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 80
$16.45 $19.99 -18%
Active Aqua Replacement Impeller for AAPW1000
In Stock: 656
$16.44 $19.85 -17%
Hydro Systems Replacement O-Ring | 0.487 x 0.693 x 0.103 - #212005V (DP)
Out of stock
$16.15 $16.27 -1%
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