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128
3/8" ID Clear Tubing 100'
In Stock: 102
$37.73 $46.48 -19%
EcoPlus Eco Air 4 Adjustable Air Pump - 253 GPH - 4 Outlet
In Stock: 124
$37.59 $45.58 -18%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
Out of stock
$37.49 $39.95 -6%
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 19
$36.89
Hydro Systems Weighted Filter Barb | 3/8in - #80026
Out of stock
$36.82
Hydro Systems Suction Tube Filter | #011-026
Out of stock
$36.81
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In Stock: 173
$36.80
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 269
$36.33
Basket Drip Stake w/Cage: Pack of 100
Out of stock
$36.15 $43.04 -16%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 76
$35.27 $45.51 -23%
Hanna Electrode Storage Solution
In Stock: 10
$34.99
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 76
$34.73 $41.95 -17%
EcoPlus Convertible Bottom Draw Water Pump - 265 GPH
In Stock: 72
$34.66 $42.68 -19%
Dilution Solutions 3/4 in Mixing Chamber Sunshade
Out of stock
$34.52
60-Degree Angled Drip Stake, pack of 100
In Stock: 15
$34.38 $40.94 -16%
EcoPlus ECO-396 Fixed Flow Submersible/Inline Pump - 396 GPH - 2.87 PSI
In Stock: 293
$34.19 $39.09 -13%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 99
$33.98 $35.00 -3%
1/2" ID Blue Tubing 100'
Out of stock
$33.64 $165.84 -80%
Hydrofarm Active Aqua Air Pump | 8 Outlet - 25 L/min
In Stock: 18
$33.53 $79.99 -58%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.80 $59.99 -45%
Dramm Brass Shut-Off Valve | 17gpm - 3/4in Thread
In Stock: 346
$32.40
3/16" ID Black Tubing 100'
In Stock: 322
$32.31 $38.48 -16%
Netafim 3mm Plastic Punch | 3mm Blue
In Stock: 22
$31.33 $34.82 -10%
3/4" ID Black Tubing 25'
In Stock: 895
$31.08 $37.00 -16%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 120gph - Grounded Power Cord
In Stock: 53
$31.00 $39.99 -22%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 9
$30.87 $32.14 -4%
Active Aqua Submersible Water Pump, 400 GPH
Out of stock
$30.47 $40.81 -25%
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
$30.13
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
$30.13
Netafim Black Polyethylene Tubing | 16mm - .52in Diam - Black - 100ft per Roll
In Stock: 5
$29.83 $37.99 -21%
Netafim Flex Polyethylene Tubing | 3,000ft Roll - 1.67mm - Black
In Stock: 5
$29.79 $351.04 -92%
1/4" OD Black Tubing 100'
In Stock: 297
$29.79 $35.47 -16%
General Hydroponics pH Down Liquid - 1gal
In Stock: 5330
$29.32 $41.79 -30%
General Hydroponics pH Up Liquid - 1gal
In Stock: 4130
$29.32 $41.79 -30%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 93gph - Grounded Power Cord
In Stock: 26
$29.00 $37.99 -24%
Dramm Aluminum Shut-Off Valve | 3/4in Male-Female Thread
In Stock: 189
$28.90
EcoPlus ECO-264 Fixed Flow Submersible/Inline Pump - 290 GPH - 2.87 PSI
In Stock: 85
$28.88 $34.95 -17%
Netafim Black Polyethylene Tubing | .75in - .82in Diam - Black - 100ft per Roll
In Stock: 3
$28.77 $36.66 -22%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In Stock: 65
$28.57 $28.59
Active Aqua Air Stone, Round, 8" x 1"
In Stock: 301
$28.38 $31.49 -10%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 16
$27.99
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 16
$27.99
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In Stock: 10
$27.99
Bluelab pH Probe KCl Storage Solution | 250ml
In Stock: 301
$27.58 $35.86 -23%
Bluelab Probe Care Kit | for Bluelab pH Probes
In Stock: 11
$27.52 $34.48 -20%
Hydro Systems Repair Kit A | For MiniDos 2.5% Viton
Out of stock
$27.24
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$26.97 $33.99 -21%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$26.97 $33.99 -21%
EZ Clone 360-Degree Replacement Mister, pack of 50
In Stock: 201
$26.59 $30.88 -14%
Hydro Systems O-Ring | 5.237 x 5.551 x 0.157 - Buna-N NBR
Out of stock
$26.54
Hydrofarm Electronic Water Timer
In Stock: 1143
$26.45 $31.49 -16%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$26.31 $31.35 -16%
Netafim Pressure Regulator | 3/4in - 35psi - 5-18gpm
Out of stock
$26.04 $35.10 -26%
FloraFlex QDPS Multi Flow Bubbler, Elbow, 3/4"
In Stock: 31
$25.94 $33.21 -22%
FloraFlex QDPS Multi Flow Bubbler, T, 3/4"
In Stock: 25
$25.94 $33.21 -22%
Active Aqua Submersible Water Pump, 250 GPH
Out of stock
$25.94 $33.23 -22%
Hydro Flow Premium Vinyl Tubing - 100ft Roll - 3/16in ID - Black
In Stock: 142
$25.82 $31.16 -17%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 36
$25.46 $35.65 -29%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 49
$25.42 $31.35 -19%
FloraFlex QDPS Open Flow Bubbler, T, 3/4"
In Stock: 55
$25.12 $32.16 -22%
Dramm #74 Full Flow Shut-Off Valve | 18gpm Ergonomic Grip
In Stock: 492
$24.63 $24.74
Dramm OneTouch High-Flow Valve | 16gpm
In Stock: 113
$24.60
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 67
$24.59 $31.50 -22%
Hanna General-Purpose Cleaning Solution | 230ml
In Stock: 6
$24.47 $26.59 -8%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 36
$24.35 $28.99 -16%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 170
$24.32 $29.08 -16%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 3
$24.14 $24.95 -3%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 70gph - Grounded Power Cord
In Stock: 35
$24.00 $32.99 -27%
HydroLogic Stealth-RO Quick Connect Float Valve - 1/4in QC
In Stock: 126
$23.90 $28.46 -16%
HydroLogic Evolution-RO 1000 & TALLBoy Quick Connect Float Valve - 3/8in QC
In Stock: 739
$23.90 $28.46 -16%
HydroLogic Evolution-RO Barbed Float Valve - 1/2in
In Stock: 295
$23.90 $28.46 -16%
Hydro Systems Replacement Parts | 1in x 3/4in NPT - #8010024N
Out of stock
$23.81
HM Digital TDS-3 Handheld TDS meter
In Stock: 33
$23.42 $33.99 -31%
Active Aqua Grow Flow Bottom-Draw Pump, 220 GPH
In Stock: 1645
$22.97 $27.35 -16%
Hydro Systems Dosage Piston #44 | #010044P
Out of stock
$22.96
Hydro Systems Dosage Piston | 2.5% - Poly White - #010-044P
Out of stock
$22.95
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 49
$22.85 $29.26 -22%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 65gph - for larger Tabletop Fountains, Small Garden Fountains, Piped Statuary and Shallow Water Conditions
In Stock: 31
$22.83 $36.99 -38%
Aptus PCS P-50 Pot Single
In Stock: 41
$22.59 $245.36 -91%
Dramm Plastic Syphonject w/External Check valve 12/CS
In Stock: 10
$22.54 $22.62
Active Aqua 1" Fill/Drain Fitting, pack of 10
In Stock: 422
$22.48 $26.55 -15%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 146
$22.36 $29.99 -25%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 137
$22.27 $28.73 -22%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 509
$22.11 $28.73 -23%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 519
$22.11 $28.73 -23%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Blue
In Stock: 51
$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
Out of stock
$21.41 $121.36 -82%
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
$21.03
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
In Stock: 500
$20.58 $24.50 -16%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 140
$20.47 $24.39 -16%
GroStar pH Probe Maintanence Kit
In Stock: 87
$20.15 $23.99 -16%
Active Aqua Air Pump, 2 Outlets, 3W, 7.8 L/min
In Stock: 809
$20.13 $23.96 -16%
EcoPlus Eco Air 2 Adjustable Air Pump - 126 GPH - 2 Outlet
In Stock: 156
$20.06 $24.22 -17%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In Stock: 8
$19.84 $24.83 -20%
Raindrip Poly Tubing | 1/2in Diam x 100ft - Coiled
In Stock: 43
$19.31 $28.99 -33%
1/2" ID Black Tubing 25'
In Stock: 395
$19.10 $23.55 -19%
1/4" OD Clear Tubing 100'
In Stock: 95
$19.06 $23.50 -19%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 35gph - for smaller Tabletop Fountains
In Stock: 17
$18.99 $29.99 -37%
EcoPlus ECO-185 Fixed Flow Submersible/Inline Pump - 158 GPH - 1.77 PSI
In Stock: 107
$18.79 $24.96 -25%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2430
$18.51 $22.04 -16%
OASE Vinyl Tubing | 1/2in Diam x 20ft L
Out of stock
$18.46 $25.99 -29%
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: 694
$18.31 $21.83 -16%
OASE Pump Shield | 15in L x 15in W
In Stock: 8
$18.26 $24.99 -27%
Raindrip Fix It Kit | 1/4 inch
Out of stock
$17.92 $26.99 -34%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.82 $31.99 -44%
Raindrip Y Filter | 3/4 inch/Handles up to 720 GPH
In Stock: 9
$17.75 $26.99 -34%
Dilution Solution Pressure Gauge, 0-100 PSI, 1/4" Mount
In Stock: 17
$17.64
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.49 $49.95 -65%
EcoPlus Commercial Grade Chiller Fitting Kit - For EcoPlus Commercial Chillers
In Stock: 97
$17.37 $21.53 -19%
Dramm One Touch Valve | 8gpm
In Stock: 416
$17.32
FloraFlex Tubing 1/4 Inch OD
In Stock: 106
$17.32 $21.59 -20%
Active Aqua Submersible Water Pump, 160 GPH
In Stock: 253
$17.25 $22.10 -22%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 4387
$17.10 $24.34 -30%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 68
$17.05 $20.31 -16%
Hydro Systems Replacement O-Ring | 0.487 x 0.693 x 0.103 - #212005V (DP)
Out of stock
$16.87
P3 International Save a Drop Water Meter
In Stock: 3735
$16.76 $19.95 -16%
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%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In Stock: 200
$16.56 $21.37 -23%
Aquascape Statuary & Fountain Pump | 70gph Max Flow - 2ftft Max Height - 3 Watts
In Stock: 24
$15.99 $20.98 -24%
Leader CRL5 Mesh Sediment Filter | 5in - 20 Micron
In Stock: 287
$15.97
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 82
$15.95 $18.99 -16%
HydroLogic Poly Tubing - 50ft Roll - 1/4in - Blue
In Stock: 127
$15.90 $18.95 -16%
HydroLogic Poly Tubing - 50ft Roll - 1/4in - Black
In Stock: 74
$15.90 $18.95 -16%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In Stock: 600
$15.86 $21.29 -26%
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