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128
Active Aqua Utility Sump Pump, 1479 GPH/5600 LPH
Out of stock
$47.86 $153.29 -69%
Raindrip Set-N-Flow Analog 3 Dial Water Timer | Time Delays up to 72 Hours - On/Off Control - Low Battery Indicator - Easy to Program
In Stock: 29
$47.50 $73.99 -36%
Hydro Systems Replacement Parts Kit M | For SuperDos - Mounting Bracket
Out of stock
$47.15 $47.51 -1%
Active Aqua Root Spa 5 gal Bucket System
In Stock: 174
$47.14 $56.93 -17%
Active Aqua Submersible Water Pump, 550 GPH
In Stock: 273
$46.91 $64.72 -28%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 140gph - for Small Garden Fountains, Piped Statuary, and Shallow Water Conditions
In Stock: 7
$46.22 $62.99 -27%
Netafim Manual Disc Filter | 0.75in
In Stock: 111
$46.05 $55.90 -18%
Dosatron Mini Seal Kit for D14MZ2, 14 GPM
Out of stock
$45.59
Hydro Systems Replacement Parts | For MiniDos - Gasket - #80195720
Out of stock
$45.05 $45.39 -1%
Netafim Disc Filter 3/4" MPT x MPT 140 Mesh 17 GPM Maximum Flow
In Stock: 5
$44.72 $47.66 -6%
GroStar GS3-E replacement EC electrode
In Stock: 100
$44.70 $53.99 -17%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In Stock: 130
$43.98 $50.95 -14%
Aptus PCS P-50 Pot Single
In Stock: 42
$43.91 $245.36 -82%
Hydro Systems Repair Kit A | For MiniDos 1% Viton
Out of stock
$43.66 $43.98 -1%
EcoPlus Aqua Heat Titanium Reservoir & Aquarium Heater - 300 Watt - 68°F to 93°F
In Stock: 130
$43.41 $51.32 -15%
Danner Supreme Hydroponics Low Volume Air Pump | 4 Watts - Accepts Standard 3/16in Tubing
In Stock: 52
$43.35 $63.99 -32%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In Stock: 86
$42.67 $51.56 -17%
HydroLogic Stealth-RO & TALLBoy Quick Connect Pressure Regulator Fittings - 3/8in QC
In Stock: 27
$42.56 $52.45 -19%
Alchemist™ H2O2 Liquid Oxygen - 1gal (OR)
Out of stock
$42.53
GroStar GS1-E replacement pH electrode
In Stock: 101
$42.21 $50.99 -17%
Polyester Element for Spin-Down Sediment Filters | 1.5in - 140 Mesh
Out of stock
$41.69 $42.00 -1%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.39 $49.99 -17%
Active Aqua Air Pump, 8 Outlets, 12W, 25 L/min
In Stock: 2490
$41.39 $75.59 -45%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 80gph - for Small Garden Fountains, Piped Statuary and Shallow Water Conditions
In Stock: 10
$40.74 $56.99 -29%
Hydro Systems Replacement O-Ring | On/Off - #80212116V
Out of stock
$39.14 $39.43 -1%
Dilution Solutions 1 1/2 in Check Valve
In Stock: 48
$38.61 $43.49 -11%
HM Digital PH-80 pH/Temperature Meter
In Stock: 138
$38.53 $46.50 -17%
3/8" ID Clear Tubing 100'
In Stock: 110
$38.50 $46.48 -17%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$38.36 $49.95 -23%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 94
$38.27 $42.95 -11%
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 47
$38.17 $46.13 -17%
Central Coast Garden pH Down Solution | 1gal - Concentrate - 75% Phosphoric Acid
Out of stock
$38.01 $49.95 -24%
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: 549
$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: 118
$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%
GrowoniX Eco Green Coconut Carbon Filter | for EX400-T and Slim Scrub Systems - 2.5in x 20in - 6,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chlorinated Water
Out of stock
$36.72 $46.34 -21%
Leader FA5 Clear Filter Housing | 5in - Transparent - 1in Female Thread
In Stock: 146
$36.45 $38.57 -5%
Basket Drip Stake w/Cage: Pack of 100
Out of stock
$35.63 $43.04 -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: 80
$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
$33.29
EcoPlus ECO-396 Fixed Flow Submersible/Inline Pump - 396 GPH - 2.87 PSI
In Stock: 323
$32.97 $36.88 -11%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 77
$32.82 $45.51 -28%
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%
3/16" ID Black Tubing 100'
In Stock: 326
$31.85 $38.48 -17%
American Hydroponics Ball Valve, 1/2", pack of 10
In Stock: 67
$30.79 $64.95 -53%
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: 5
$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: 986
$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: 86
$28.80 $30.00 -4%
General Hydroponics pH Down Liquid - 1gal
In Stock: 1986
$28.50 $39.06 -27%
General Hydroponics pH Up Liquid - 1gal
In Stock: 2841
$28.50 $39.06 -27%
1/4" OD Black Tubing 100'
In Stock: 402
$27.94 $35.47 -21%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 247
$27.82 $29.00 -4%
EcoPlus ECO-264 Fixed Flow Submersible/Inline Pump - 290 GPH - 2.87 PSI
In Stock: 181
$27.65 $32.97 -16%
Active Aqua Air Stone, Round, 8" x 1"
In Stock: 301
$27.36 $31.49 -13%
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%
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%
GrowoniX Eco White Coconut Carbon Filter | for EX400-T, Slim Scrub Systems - 6,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chlorinated Water
Out of stock
$26.01 $38.15 -32%
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: 96
$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%
Active Aqua Submersible Water Pump, 250 GPH
Out of stock
$25.21 $33.23 -24%
GrowoniX Spun Sediment Filter | for EX600-T, EX1000-T, XL Scrub, and Sedi Scrub Systems - 4.5in x 20in - Spun
Out of stock
$25.20 $37.09 -32%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 93gph - Grounded Power Cord
In Stock: 28
$24.99 $37.99 -34%
Bluelab Probe Care Kit | for Bluelab pH Probes
In Stock: 6
$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%
Hydro Flow Premium Vinyl Tubing - 100ft Roll - 3/16in ID - Black
In Stock: 129
$24.72 $29.40 -16%
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%
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: 139
$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: 116
$21.74 $29.99 -28%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 68
$21.74 $31.50 -31%
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: 137
$20.71 $28.73 -28%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 102
$20.71 $28.73 -28%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 165
$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%
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