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128
EcoPlus Eco Air 4 Adjustable Air Pump - 253 GPH - 4 Outlet
In Stock: 124
$37.32 $45.58 -18%
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
$37.28 $58.99 -37%
3/8" ID Clear Tubing 100'
In Stock: 109
$37.20 $46.48 -20%
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In Stock: 183
$36.80
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
Out of stock
$36.69 $39.95 -8%
Basket Drip Stake w/Cage: Pack of 100
Out of stock
$36.15 $43.04 -16%
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 21
$36.10
Hydro Systems Weighted Filter Barb | 3/8in - #80026
Out of stock
$36.03 $36.82 -2%
Hydro Systems Suction Tube Filter | #011-026
Out of stock
$36.02 $36.81 -2%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 76
$34.78 $45.51 -24%
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 77
$34.48 $41.95 -18%
60-Degree Angled Drip Stake, pack of 100
In Stock: 16
$34.38 $40.94 -16%
Hanna Electrode Storage Solution
In Stock: 10
$34.24 $34.99 -2%
EcoPlus Convertible Bottom Draw Water Pump - 265 GPH
In Stock: 83
$34.17 $42.68 -20%
Dilution Solutions 3/4 in Mixing Chamber Sunshade
Out of stock
$33.78
EcoPlus ECO-396 Fixed Flow Submersible/Inline Pump - 396 GPH - 2.87 PSI
In Stock: 311
$33.46 $39.09 -14%
1/2" ID Blue Tubing 100'
In Stock: 1
$33.17 $165.84 -80%
Hydrofarm Active Aqua Air Pump | 8 Outlet - 25 L/min
In Stock: 18
$33.05 $79.99 -59%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.34 $59.99 -46%
3/16" ID Black Tubing 100'
In Stock: 323
$32.31 $38.48 -16%
Dramm Brass Shut-Off Valve | 17gpm - 3/4in Thread
In Stock: 338
$31.70 $32.40 -2%
Active Aqua Submersible Water Pump, 400 GPH
Out of stock
$31.43 $40.81 -23%
3/4" ID Black Tubing 25'
In Stock: 913
$31.08 $37.00 -16%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 276
$31.07 $34.00 -9%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 120gph - Grounded Power Cord
In Stock: 53
$31.00 $39.99 -22%
Netafim 3mm Plastic Punch | 3mm Blue
In Stock: 22
$30.66 $34.82 -12%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 9
$30.21 $32.14 -6%
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: 62
$29.48 $30.13 -2%
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: 28
$29.48 $30.13 -2%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 99
$29.44 $35.00 -16%
Netafim Black Polyethylene Tubing | 16mm - .52in Diam - Black - 100ft per Roll
In Stock: 5
$29.41 $37.99 -23%
Netafim Flex Polyethylene Tubing | 3,000ft Roll - 1.67mm - Black
In Stock: 5
$29.37 $351.04 -92%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 93gph - Grounded Power Cord
In Stock: 28
$29.00 $37.99 -24%
General Hydroponics pH Down Liquid - 1gal
In Stock: 5544
$28.91 $41.79 -31%
General Hydroponics pH Up Liquid - 1gal
In Stock: 4223
$28.91 $41.79 -31%
EcoPlus ECO-264 Fixed Flow Submersible/Inline Pump - 290 GPH - 2.87 PSI
In Stock: 121
$28.67 $34.95 -18%
Netafim Black Polyethylene Tubing | .75in - .82in Diam - Black - 100ft per Roll
In Stock: 3
$28.36 $36.66 -23%
1/4" OD Black Tubing 100'
In Stock: 410
$28.35 $35.47 -20%
Dramm Aluminum Shut-Off Valve | 3/4in Male-Female Thread
In Stock: 200
$28.28 $28.90 -2%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In Stock: 53
$27.96 $28.59 -2%
Active Aqua Air Stone, Round, 8" x 1"
In Stock: 277
$27.77 $31.49 -12%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 16
$27.39 $27.99 -2%
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 18
$27.39 $27.99 -2%
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In Stock: 12
$27.39 $27.99 -2%
Bluelab pH Probe KCl Storage Solution | 250ml
In Stock: 223
$27.19 $35.86 -24%
Bluelab Probe Care Kit | for Bluelab pH Probes
In Stock: 15
$27.13 $34.48 -21%
Active Aqua Submersible Water Pump, 250 GPH
Out of stock
$26.77 $33.23 -19%
Hydro Systems Repair Kit A | For MiniDos 2.5% Viton
Out of stock
$26.66 $27.24 -2%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$26.59 $33.99 -22%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$26.59 $33.99 -22%
Hydrofarm Electronic Water Timer
In Stock: 1146
$26.45 $31.49 -16%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$26.31 $31.35 -16%
EZ Clone 360-Degree Replacement Mister, pack of 50
In Stock: 202
$26.21 $30.88 -15%
Hydro Systems O-Ring | 5.237 x 5.551 x 0.157 - Buna-N NBR
Out of stock
$25.98 $26.54 -2%
Netafim Pressure Regulator | 3/4in - 35psi - 5-18gpm
Out of stock
$25.68 $35.10 -27%
Hydro Flow Premium Vinyl Tubing - 100ft Roll - 3/16in ID - Black
In Stock: 103
$25.63 $31.16 -18%
FloraFlex QDPS Multi Flow Bubbler, Elbow, 3/4"
In Stock: 31
$25.58 $33.21 -23%
FloraFlex QDPS Multi Flow Bubbler, T, 3/4"
In Stock: 25
$25.58 $33.21 -23%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 37
$25.10 $35.65 -30%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 49
$25.06 $31.35 -20%
FloraFlex QDPS Open Flow Bubbler, T, 3/4"
In Stock: 55
$24.77 $32.16 -23%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 40
$24.35 $28.99 -16%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 172
$24.32 $29.08 -16%
Dramm #74 Full Flow Shut-Off Valve | 18gpm Ergonomic Grip
In Stock: 410
$24.10 $24.74 -3%
Dramm OneTouch High-Flow Valve | 16gpm
In Stock: 116
$24.07 $24.60 -2%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 70gph - Grounded Power Cord
In Stock: 23
$24.00 $32.99 -27%
Hanna General-Purpose Cleaning Solution | 230ml
In Stock: 5
$23.95 $26.59 -10%
HydroLogic Stealth-RO Quick Connect Float Valve - 1/4in QC
In Stock: 112
$23.90 $28.46 -16%
HydroLogic Evolution-RO 1000 & TALLBoy Quick Connect Float Valve - 3/8in QC
In Stock: 743
$23.90 $28.46 -16%
HydroLogic Evolution-RO Barbed Float Valve - 1/2in
In Stock: 295
$23.90 $28.46 -16%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 66
$23.62 $24.95 -5%
Hydro Systems Replacement Parts | 1in x 3/4in NPT - #8010024N
Out of stock
$23.30 $23.81 -2%
HM Digital TDS-3 Handheld TDS meter
In Stock: 37
$23.09 $33.99 -32%
Active Aqua Grow Flow Bottom-Draw Pump, 220 GPH
In Stock: 1774
$22.97 $27.35 -16%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 49
$22.53 $29.26 -23%
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
$22.51 $36.99 -39%
Hydro Systems Dosage Piston #44 | #010044P
Out of stock
$22.47 $22.96 -2%
Hydro Systems Dosage Piston | 2.5% - Poly White - #010-044P
Out of stock
$22.45 $22.95 -2%
Aptus PCS P-50 Pot Single
In Stock: 42
$22.27 $245.36 -91%
Active Aqua 1" Fill/Drain Fitting, pack of 10
In Stock: 285
$22.16 $26.55 -17%
Dramm Plastic Syphonject w/External Check valve 12/CS
In Stock: 15
$22.06 $22.62 -2%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 134
$22.05 $29.99 -26%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 67
$22.05 $31.50 -30%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 94
$21.95 $28.73 -24%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 335
$21.80 $28.73 -24%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 471
$21.80 $28.73 -24%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Blue
In Stock: 52
$21.62 $25.75 -16%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Black
In Stock: 48
$21.62 $25.75 -16%
EZ Clone Replacement Water Pump (Mag 1125), 1100 GPH
In Stock: 2
$21.11 $121.36 -83%
Active Aqua Air Pump, 2 Outlets, 3W, 7.8 L/min
In Stock: 834
$20.62 $23.96 -14%
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
$20.58 $21.03 -2%
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
Out of stock
$20.58 $24.50 -16%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 155
$20.47 $24.39 -16%
GroStar pH Probe Maintanence Kit
In Stock: 89
$20.15 $23.99 -16%
EcoPlus Eco Air 2 Adjustable Air Pump - 126 GPH - 2 Outlet
In Stock: 156
$19.92 $24.22 -18%
1/2" ID Black Tubing 25'
In Stock: 466
$19.77 $23.55 -16%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In Stock: 8
$19.56 $24.83 -21%
Raindrip Poly Tubing | 1/2in Diam x 100ft - Coiled
In Stock: 42
$19.04 $28.99 -34%
1/4" OD Clear Tubing 100'
In Stock: 105
$18.79 $23.50 -20%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 35gph - for smaller Tabletop Fountains
In Stock: 23
$18.72 $29.99 -38%
EcoPlus ECO-185 Fixed Flow Submersible/Inline Pump - 158 GPH - 1.77 PSI
In Stock: 110
$18.52 $24.96 -26%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2430
$18.51 $22.04 -16%
Raindrip Pressure Compensating Drippers, 2 GPH, pack of 25
In Stock: 227
$18.45 $21.97 -16%
Active Aqua 1/2" Fill/Drain Fitting, pack of 10
In Stock: 687
$18.31 $21.83 -16%
OASE Vinyl Tubing | 1/2in Diam x 20ft L
Out of stock
$18.20 $25.99 -30%
OASE Pump Shield | 15in L x 15in W
In Stock: 8
$18.00 $24.99 -28%
Raindrip Fix It Kit | 1/4 inch
Out of stock
$17.67 $26.99 -35%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.57 $31.99 -45%
Raindrip Y Filter | 3/4 inch/Handles up to 720 GPH
In Stock: 9
$17.50 $26.99 -35%
Dilution Solution Pressure Gauge, 0-100 PSI, 1/4" Mount
In Stock: 17
$17.26
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.25 $49.95 -65%
EcoPlus Commercial Grade Chiller Fitting Kit - For EcoPlus Commercial Chillers
In Stock: 99
$17.12 $21.53 -20%
FloraFlex Tubing 1/4 Inch OD
In Stock: 108
$17.08 $21.59 -21%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 71
$17.05 $20.31 -16%
Active Aqua Submersible Water Pump, 160 GPH
In Stock: 265
$17.01 $22.10 -23%
Dramm One Touch Valve | 8gpm
In Stock: 378
$16.95 $17.32 -2%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 4507
$16.86 $24.34 -31%
P3 International Save a Drop Water Meter
In Stock: 3813
$16.76 $19.95 -16%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 67
$16.69 $19.99 -17%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 80
$16.69 $19.99 -17%
Active Aqua Replacement Impeller for AAPW1000
In Stock: 654
$16.67 $19.85 -16%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$16.59 $19.95 -17%
Central Coast Garden pH Up Solution | 32oz - 35% Potassium Hydroxide
Out of stock
$16.59 $19.95 -17%
Hydro Systems Replacement O-Ring | 0.487 x 0.693 x 0.103 - #212005V (DP)
Out of stock
$16.51 $16.87 -2%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In Stock: 164
$16.32 $21.37 -24%
Aquascape Statuary & Fountain Pump | 70gph Max Flow - 2ftft Max Height - 3 Watts
In Stock: 24
$15.99 $20.98 -24%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 93
$15.95 $18.99 -16%
HydroLogic Poly Tubing - 50ft Roll - 1/4in - Blue
In Stock: 134
$15.90 $18.95 -16%
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