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128
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In stock
$135.63
Save 17%
HydroLogic ARCS System Stage Replacement Cartridge - Stage 3 - pH Neutralizing & Remineralizing Filter
In stock
$133.72 $161.57 -17%
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$132.99
Hydro Systems SuperDos Conversion Kit | 2.5% To 2.5% WSP (Wettable Soluble Powder)
Out of stock
$132.83
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In stock
$130.82 $202.71 -35%
1/2" ID Blue Tubing 100'
In stock
$130.77 $165.84 -21%
EcoPlus ECO-1584 Fixed Flow Submersible/Inline Pump - 1,638 GPH - 5.22 PSI
In stock
$129.04 $163.76 -21%
Dilution Solutions Nutrient Delivery System (NDS) Mixing Chamber Kit, 3/4 in
Out of stock
$128.54
Save 14%
HydroLogic BIGboy KDF85 Catalytic Carbon Filter Upgrade
In stock
$128.33 $149.95 -14%
1" ID Black Tubing 100'
In stock
$127.39 $161.58 -21%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$126.88
Dosatron Plumbing Kit | for the Dosatron DosaCart
Out of stock
$125.95
Save 17%
DAB Tank Water NFC Level Sensor | For DTRON3 & Skybox Diver Models - Connects to D.Connect BOX2
Out of stock
$124.68 $150.58 -17%
Save 17%
DAB Float Switch NFC | For DTRON & ESYBOX Diver Models
Out of stock
$124.68 $150.58 -17%
Active Aqua Utility Submersible Pump, 2642 GPH /10,000 LPH
In stock
$124.38 $164.84 -25%
Mondi 1585X Gold Series Utility & Sump Pump, 1/2 HP, 1585 GPH
In stock
$122.46 $152.99 -20%
GrowoniX Premium KDF85 Catalytic Carbon Filter | for CX4000, EX1000-T, EX600-T, XL Scrubber -17,000 Gallons of Pure RO Water or 34,000 Gallons of De-Chlorina...
Out of stock
$122.16 $159.29 -23%
Save 12%
Aptus PCS P-50 Drainage Grid
Out of stock
$121.26 $138.50 -12%
Alchemist H2O2 Liquid Oxygen 34% 5 Gallon
In stock
$116.95
Cutting Edge Solutions pH Down, 1 qt, case of 12
In stock
$114.10 $167.88 -32%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In stock
$114.10 $167.88 -32%
Bluelab Connect Stick 2 | for Bluelab Connect Devices
In stock
$112.75 $147.11 -23%
Save 17%
Active Aqua Root Spa 5 gal 4 Bucket System
In stock
$111.44 $134.59 -17%
Save 17%
HydroLogic smallBoy Dechlorinator & Sediment Water Filtration System - 1 GPM - 5 Micron
In stock
$110.62 $133.66 -17%
Save 16%
EcoPlus ECO-1267 Fixed Flow Submersible/Inline Pump - 1,347 GPH - 5.95 PSI
In stock
$110.48 $131.82 -16%
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$109.38
Save 17%
DAB ESYCOVER Kit | Green - For ESYBOX 220V 1 HP Models - NEMA 3
Out of stock
$108.95 $131.58 -17%
Save 17%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Stage 1 - Sediment Filter
In stock
$107.98 $130.47 -17%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 700gph
In stock
$107.30 $168.99 -37%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 500gph
In stock
$106.51 $167.99 -37%
Atlantic Mag Drive Pump | 750gph - 20ft cord - 1in to 1.5in Step Outlet
In stock
$105.99 $153.99 -31%
Save 9%
1.5" Digital Flow Meter
In stock
$105.06 $115.50 -9%
General Hydroponics PRO pH Down - 2.5gal
In stock
$104.33 $168.07 -38%
General Hydroponics PRO pH Up - 2.5gal
In stock
$104.33 $168.07 -38%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 350gph
In stock
$103.80 $162.99 -36%
Save 17%
Active Aqua Grow Flow 2.0 Expansion Kit w/six 5 gal Square Pots
In stock
$102.44 $123.72 -17%
Save 17%
DAB ESYCOVER Kit | Green - For ESYBOX Mini 3 Models - NEMA 3
Out of stock
$101.87 $123.03 -17%
Save 10%
1.25" Digital Flow Meter
In stock
$99.74 $110.25 -10%
Hydro Flow Premium Vinyl Tubing - 100ft Roll - 3/4in ID - Black
In stock
$99.59 $126.00 -21%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 250gph
In stock
$99.35 $155.99 -36%
3/4" ID Black Tubing 100'
In stock
$99.26 $125.89 -21%
Save 15%
GroStar GS1 pH Pen
In stock
$98.27 $115.99 -15%
Save 15%
HydroLogic PreEvolution KDF Catalytic Carbon Filter
In stock
$97.90 $114.95 -15%
EcoPlus Eco Air 5 Commercial Air Pump - 1,300 GPH - 1 Outlet
In stock
$96.20 $128.58 -25%
Dosatron Injection Seal Kit | for Dosatron Injector Model D14MZ2
In stock
$96.17
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$94.43 $128.70 -27%
Save 9%
1" Digital Flow Meter
In stock
$94.42 $103.95 -9%
Save 17%
GroStar GS3 EC Pen
In stock
$94.38 $113.99 -17%
Alchemist™ H2O2 Liquid Oxygen - 5gal (OR)
Out of stock
$94.35 $135.16 -30%
Save 17%
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In stock
$93.26 $112.68 -17%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In stock
$92.40 $135.96 -32%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In stock
$92.40 $135.96 -32%
Save 17%
HydroLogic Evolution-RO 1000 Wall Mount Bracket - Stainless Steel
In stock
$92.13 $111.32 -17%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$91.88
GrowoniX Premium KDF85 Catalytic Carbon Filter | for GX1000, GX600, EX1000, EX600, Lil Boss Deluxe, Lil Boss Systems - 8,000 Gallons of Pure RO Water or 17,0...
Out of stock
$90.49 $117.99 -23%
Save 10%
2-in-1 EC + Temp Sensor for Reservoir
In stock
$90.43 $100.28 -10%
Save 17%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$89.89 $108.60 -17%
Save 5%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$89.81 $95.00 -5%
Save 12%
Aptus PCS P-50 Pot Base
Out of stock
$89.46 $102.19 -12%
Biobizz Bio-PH- PH Regulator 5L pH DOWN
In stock
$87.46 $126.76 -31%
Rusco Spin-Down Filter | 1.5in 140 mesh
Out of stock
$87.04
Hydro Systems Replacement Parts Kit D | For A30, DP30 & SuperDos 30
Out of stock
$87.01
Dilution Solutions Flow Restrictors 3/4 in
Out of stock
$85.98
Dilution Solutions Flow Restrictor, 3/4 in 14 GPM (D14 Series)
Out of stock
$85.98
Save 2%
Netafim Black Polyethylene Tubing | 16mm - 0.52in Diam - Black - 500ft per Roll
In stock
$85.29 $87.09 -2%
GrowoniX Replacement High-Flow Membrane | for EX/GX200, GX300, EX/GX400 and EX400-T Systems
Out of stock
$85.13 $111.61 -24%
Save 15%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$85.01 $99.95 -15%
EcoPlus ECO-1056 Fixed Flow Submersible/Inline Pump - 1,000 GPH - 3.99 PSI
In stock
$84.21 $108.02 -22%
EZ Clone Replacement Water Pump (Mag 1125), 1100 GPH
In stock
$83.26 $121.36 -31%
Save 17%
HydroLogic BIGboy Replacement PVC Float Valve - 3/4in
In stock
$83.14 $100.45 -17%
Dosatron Y Filter Kit | 1in - 200 Mesh/80 Micron Screen - for Dosatron Injector Model D45RE
In stock
$82.85
Biobizz Bio-PH+ PH Regulator 5L pH UP
In stock
$81.21 $117.70 -31%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$80.50
Save 1%
Hydro Systems Kit D | For Viton - 1/4in - Suction
Out of stock
$80.28 $80.76 -1%
Save 9%
HydroLogic Evolution-RO 1000 Fitting Kit
In stock
$80.16 $87.86 -9%
Save 11%
pH Sensor for Reservoir
In stock
$78.46 $88.20 -11%
EcoPlus Convertible Bottom Draw Water Pump - 730 GPH
In stock
$78.33 $100.74 -22%
Active Aqua Submersible Water Pump, 1100 GPH
In stock
$77.87 $102.63 -24%
Save 2%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$77.80 $79.00 -2%
Danner Pondmaster Promotion Pump & Fountain Kit | 190gph
In stock
$77.18 $115.99 -33%
Save 9%
Netafim Pressure Regulator | 1.5in - 12psi - 11-35gpm
Out of stock
$76.65 $84.50 -9%
Save 17%
Active Aqua Commercial Air Pump, 8 Outlets, 60W, 70 L/min
In stock
$76.27 $92.12 -17%
Save 2%
EcoPlus Commercial Water Chiller - Electronic Control Unit
In stock
$76.00 $77.32 -2%
Hydrofarm Active Aqua Commercial Air Pump | 12 Outlet - 110 Liters/Minute
In stock
$74.81 $174.99 -57%
Dosatron Mini Maintenance Seal Kit Doser 14GPM
Out of stock
$74.71
Danner The Fountain Pump Statuary Pump with Barb Fittings | 400gph - 8.5ft Max Pumping Height - Includes : 1/2in, 5/8in and 3/4in Tubing Adapters - Grounded ...
In stock
$74.08 $116.99 -37%
GrowoniX Eco White Coconut Carbon Filter | for EX600-T, EX1000-T, and XL Scrub Systems - 17,000 Gallons of Pure RO Water or 34,000 Gallons of De-Chlorinated ...
Out of stock
$73.98 $96.06 -23%
Save 14%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In stock
$72.76 $84.95 -14%
Save 19%
EcoPlus Eco Air 8 Adjustable Air Pump - 380 GPH - 8 Outlet
In stock
$72.44 $89.76 -19%
Active Aqua Dual Diaphragm Air Pump
In stock
$71.69 $103.94 -31%
Save 15%
HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$71.44 $83.95 -15%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 290gph - Retail Boxed - 6ft Max Pumping Height - Includes : 1/2in, 5/8in and 3/4in Tubing Adapter...
In stock
$70.34 $106.99 -34%
Save 19%
EcoPlus Eco Air 3 Commercial Air Pump - 1,030 GPH - 1 Outlet
In stock
$69.86 $86.11 -19%
Save 2%
Netafim Black Polyethylene Tubing | 1in - 1.06in Diam - Black - 100ft per Roll
In stock
$69.72 $71.20 -2%
Danner Supreme Hydroponics Recirculating Aerating Water Pump | Model 3 - Max Flow 350gph - 1/2in FPT Inlet & 1/2in Barbed Outlet Adaptor
In stock
$69.43 $147.99 -53%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 530gph - 9ft Max Pumping Height - Includes : 1/2in, 5/8in and 3/4in Tubing Adapters - Grounded Po...
In stock
$69.10 $109.99 -37%
Hydro Systems Inner Cylinder #7 | #194404P
Out of stock
$69.01
Hydro Systems Replacement Inner Cylinder | 2.5% - #194404P
Out of stock
$69.00
Save 17%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In stock
$68.52 $82.79 -17%
Save 14%
Hydro Flow Premium Vinyl Tubing - 50ft Roll - 1in ID - Black
In stock
$67.81 $78.88 -14%
Hydro Systems Replacement Parts | For MiniDos - Outer Cylinder
Out of stock
$66.47
Netafim Electric Valves | 0.75in - 24V - Threaded
In stock
$66.34
Netafim Electric Valves | 1in - 24V - Threaded
In stock
$66.34
Save 17%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$66.23 $79.99 -17%
Save 9%
HydroLogic Evolution-RO 1000 Filter Housing
In stock
$66.15 $72.50 -9%
Blumat Digital Moisture Meter | 12in
Out of stock
$66.13 $85.99 -23%
Save 15%
EZ Clone Replacement Water Pump (Mag 750) , 700 GPH
In stock
$65.76 $77.49 -15%
GrowoniX Premium KDF85 Catalytic Carbon Filter | for EX800, EX400-T, Slim Scrub Systems - 6,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chlorinated ...
Out of stock
$63.76 $83.13 -23%
Save 15%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$63.75 $74.95 -15%
EcoPlus Convertible Bottom Draw Water Pump - 585 GPH
In stock
$63.63 $82.37 -23%
5/8" ID Black Tubing 100'
In stock
$63.30 $80.29 -21%
Active Aqua Submersible Water Pump, 800 GPH
In stock
$62.53 $86.30 -28%
FloraFlex Matrix, 15.5"-18", Pack of 12
In stock
$60.73 $120.99 -50%
Hydro Systems Repair Kit D | For MiniDos 2.5% Viton
Out of stock
$60.21
EcoPlus ECO-633 Fixed Flow Submersible/Inline Pump - 594 GPH - 3.94 PSI
In stock
$58.11 $74.49 -22%
Active Aqua Commercial Air Pump, 12 Outlets, 112W, 110 L/min
In stock
$57.78 $173.59 -67%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$57.76
Save 18%
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
$57.68 $69.99 -18%
Rusco Spin-Down Cover | Clear - 2in
Out of stock
$57.26
Hydro Systems Advantage Connection Kit | 1in NPT x MHT - #011-054
Out of stock
$54.78
Hydro Systems Ratio Adjustment Sleeve | #194406P
Out of stock
$54.45
Save 3%
Netafim Manual Disc Filter | 0.75in
In stock
$54.24 $55.90 -3%
Save 17%
American Hydroponics Ball Valve, 1/2", pack of 10
In stock
$53.82 $64.95 -17%
1/2" ID Black Tubing 100'
In stock
$53.67 $68.08 -21%
Save 19%
Dosatron Mini Maintenance Kit | for Dosatron Injector Model D14MZ2
In stock
$53.13 $65.75 -19%
Dosatron Dilution Solutions Filter Kit | For Dosatron Systems - 200 Mesh (80 micron) Filter - 0.75in - 0.79gpm
In stock
$52.95
Dosatron By-Pass Switch | for Dosatron Injector Model D14MZ2
In stock
$52.46
OASE Fountain Pump 320 | 320gph - 16ft cord - Hose Size 1/2in - 3/4in
In stock
$52.43 $73.99 -29%
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