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128
Hydro Systems SuperDos Conversion Kit | 2.5% To 2.5% WSP (Wettable Soluble Powder)
Out of stock
$130.83 $134.82 -3%
HydroLogic BIGboy KDF85 Catalytic Carbon Filter Upgrade
In stock
$129.28 $149.95 -14%
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In stock
$128.93 $202.71 -36%
1/2" ID Blue Tubing 100'
In stock
$128.87 $165.84 -22%
EcoPlus ECO-1584 Fixed Flow Submersible/Inline Pump - 1,638 GPH - 5.22 PSI
In stock
$127.17 $163.76 -22%
Dilution Solutions Nutrient Delivery System (NDS) Mixing Chamber Kit, 3/4 in
Out of stock
$126.61
1" ID Black Tubing 100'
In stock
$125.54 $161.58 -22%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$124.97 $128.79 -3%
Dosatron Plumbing Kit | for the Dosatron DosaCart
Out of stock
$124.06 $127.84 -3%
DAB Tank Water NFC Level Sensor | For DTRON3 & Skybox Diver Models - Connects to D.Connect BOX2
Out of stock
$122.88 $150.58 -18%
DAB Float Switch NFC | For DTRON & ESYBOX Diver Models
Out of stock
$122.88 $150.58 -18%
Active Aqua Utility Submersible Pump, 2642 GPH /10,000 LPH
In stock
$122.58 $164.84 -26%
Mondi 1585X Gold Series Utility & Sump Pump, 1/2 HP, 1585 GPH
In stock
$120.69 $152.99 -21%
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-Chlorinated Water
Out of stock
$120.39 $159.29 -24%
Aptus PCS P-50 Drainage Grid
Out of stock
$119.46 $138.50 -14%
Alchemist H2O2 Liquid Oxygen 34% 5 Gallon
In stock
$116.95
Cutting Edge Solutions pH Down, 1 qt, case of 12
In stock
$112.44 $167.88 -33%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In stock
$112.44 $167.88 -33%
Bluelab Connect Stick 2 | for Bluelab Connect Devices
In stock
$111.11 $147.11 -24%
Active Aqua Root Spa 5 gal 4 Bucket System
In stock
$109.82 $134.59 -18%
HydroLogic smallBoy Dechlorinator & Sediment Water Filtration System - 1 GPM - 5 Micron
In stock
$109.02 $133.66 -18%
EcoPlus ECO-1267 Fixed Flow Submersible/Inline Pump - 1,347 GPH - 5.95 PSI
In stock
$108.88 $131.82 -17%
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$107.73 $111.02 -3%
DAB ESYCOVER Kit | Green - For ESYBOX 220V 1 HP Models - NEMA 3
Out of stock
$107.37 $131.58 -18%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Stage 1 - Sediment Filter
In stock
$106.42 $130.47 -18%
Atlantic Mag Drive Pump | 750gph - 20ft cord - 1in to 1.5in Step Outlet
Out of stock
$105.99 $153.99 -31%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 700gph
Out of stock
$105.74 $168.99 -37%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 500gph
Out of stock
$104.96 $167.99 -38%
1.5" Digital Flow Meter
In stock
$103.48 $115.50 -10%
General Hydroponics PRO pH Down - 2.5gal
In stock
$102.82 $168.07 -39%
General Hydroponics PRO pH Up - 2.5gal
In stock
$102.82 $168.07 -39%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 350gph
Out of stock
$102.30 $162.99 -37%
Active Aqua Grow Flow 2.0 Expansion Kit w/six 5 gal Square Pots
In stock
$100.95 $123.72 -18%
DAB ESYCOVER Kit | Green - For ESYBOX Mini 3 Models - NEMA 3
Out of stock
$100.40 $123.03 -18%
GroStar GS1 pH Pen
In stock
$98.99 $115.99 -15%
HydroLogic PreEvolution KDF Catalytic Carbon Filter
In stock
$98.63 $114.95 -14%
1.25" Digital Flow Meter
In stock
$98.24 $110.25 -11%
Hydro Flow Premium Vinyl Tubing - 100ft Roll - 3/4in ID - Black
In stock
$98.15 $126.00 -22%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 250gph
Out of stock
$97.91 $155.99 -37%
3/4" ID Black Tubing 100'
In stock
$97.82 $125.89 -22%
EcoPlus Eco Air 5 Commercial Air Pump - 1,300 GPH - 1 Outlet
In stock
$94.81 $128.58 -26%
Dosatron Injection Seal Kit | for Dosatron Injector Model D14MZ2
In stock
$94.73 $97.62 -3%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$93.06 $128.70 -28%
GroStar GS3 EC Pen
In stock
$93.01 $113.99 -18%
1" Digital Flow Meter
In stock
$93.00 $103.95 -11%
Alchemist™ H2O2 Liquid Oxygen - 5gal (OR)
Out of stock
$92.98 $135.16 -31%
Danner Supreme Hydroponics Recirculating Aerating Water Pump | Model 3 - Max Flow 350gph - 1/2in FPT Inlet & 1/2in Barbed Outlet Adaptor
In stock
$92.30 $147.99 -38%
Atlantic Mag Drive Pump | 250gph - 20ft cord - 3/4in to 1in Step Outlet
Out of stock
$91.96 $136.99 -33%
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In stock
$91.91 $112.68 -18%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In stock
$91.07 $135.96 -33%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In stock
$91.07 $135.96 -33%
HydroLogic Evolution-RO 1000 Wall Mount Bracket - Stainless Steel
In stock
$90.79 $111.32 -18%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$90.49 $93.26 -3%
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 17,000 Gallons of De-Chl...
Out of stock
$89.18 $117.99 -24%
2-in-1 EC + Temp Sensor for Reservoir
In stock
$89.07 $100.28 -11%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$88.59 $108.60 -18%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$88.46 $95.00 -7%
Aptus PCS P-50 Pot Base
Out of stock
$88.14 $102.19 -14%
Biobizz Bio-PH- PH Regulator 5L pH DOWN
In stock
$86.20 $126.76 -32%
Rusco Spin-Down Filter | 1.5in 140 mesh
Out of stock
$85.73 $88.34 -3%
Hydro Systems Replacement Parts Kit D | For A30, DP30 & SuperDos 30
Out of stock
$85.70 $88.32 -3%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$85.64 $99.95 -14%
Dilution Solutions Flow Restrictors 3/4 in
Out of stock
$84.69
Dilution Solutions Flow Restrictor, 3/4 in 14 GPM (D14 Series)
Out of stock
$84.69
Netafim Black Polyethylene Tubing | 16mm - 0.52in Diam - Black - 500ft per Roll
In stock
$84.01 $87.09 -4%
GrowoniX Replacement High-Flow Membrane | for EX/GX200, GX300, EX/GX400 and EX400-T Systems
Out of stock
$83.90 $111.61 -25%
EcoPlus ECO-1056 Fixed Flow Submersible/Inline Pump - 1,000 GPH - 3.99 PSI
In stock
$82.99 $108.02 -23%
EZ Clone Replacement Water Pump (Mag 1125), 1100 GPH
In stock
$82.05 $121.36 -32%
HydroLogic BIGboy Replacement PVC Float Valve - 3/4in
In stock
$81.94 $100.45 -18%
Dosatron Y Filter Kit | 1in - 200 Mesh/80 Micron Screen - for Dosatron Injector Model D45RE
In stock
$81.60 $84.09 -3%
Biobizz Bio-PH+ PH Regulator 5L pH UP
In stock
$80.04 $117.70 -32%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$79.29 $81.72 -3%
Hydro Systems Kit D | For Viton - 1/4in - Suction
Out of stock
$79.07 $81.49 -3%
HydroLogic Evolution-RO 1000 Fitting Kit
In stock
$78.95 $87.86 -10%
Active Aqua Commercial Air Pump, 8 Outlets, 60W, 70 L/min
In stock
$78.53 $92.12 -15%
pH Sensor for Reservoir
In stock
$78.46 $88.20 -11%
EcoPlus Convertible Bottom Draw Water Pump - 730 GPH
In stock
$77.19 $100.74 -23%
Active Aqua Submersible Water Pump, 1100 GPH
In stock
$76.74 $102.63 -25%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$76.64 $79.00 -3%
Danner Pondmaster Promotion Pump & Fountain Kit | 190gph
Out of stock
$76.06 $115.99 -34%
EcoPlus Commercial Water Chiller - Electronic Control Unit
Out of stock
$76.00 $77.32 -2%
Netafim Pressure Regulator | 1.5in - 12psi - 11-35gpm
In stock
$75.50 $84.50 -11%
Hydrofarm Active Aqua Commercial Air Pump | 12 Outlet - 110 Liters/Minute
In stock
$73.73 $174.99 -58%
Dosatron Mini Maintenance Seal Kit Doser 14GPM
Out of stock
$73.58
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In stock
$73.30 $84.95 -14%
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 Power Cord
In stock
$73.00 $116.99 -38%
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 Water
Out of stock
$72.91 $96.06 -24%
Active Aqua Dual Diaphragm Air Pump
In stock
$72.60 $103.94 -30%
HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$71.97 $83.95 -14%
EcoPlus Eco Air 8 Adjustable Air Pump - 380 GPH - 8 Outlet
In stock
$71.39 $89.76 -20%
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 Adapters - 15ft Power Cord
Out of stock
$69.32 $106.99 -35%
EcoPlus Eco Air 3 Commercial Air Pump - 1,030 GPH - 1 Outlet
In stock
$68.84 $86.11 -20%
Netafim Black Polyethylene Tubing | 1in - 1.06in Diam - Black - 100ft per Roll
In stock
$68.67 $71.20 -4%
Hydro Flow Premium Vinyl Tubing - 50ft Roll - 1in ID - Black
In stock
$68.31 $78.88 -13%
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 Power Cord
Out of stock
$68.10 $109.99 -38%
Hydro Systems Inner Cylinder #7 | #194404P
Out of stock
$67.98 $70.05 -3%
Hydro Systems Replacement Inner Cylinder | 2.5% - #194404P
Out of stock
$67.96 $70.04 -3%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In stock
$67.52 $82.79 -18%
Hydro Systems Replacement Parts | For MiniDos - Outer Cylinder
Out of stock
$65.47 $67.47 -3%
Netafim Electric Valves | 0.75in - 24V - Threaded
In stock
$65.34 $67.34 -3%
Netafim Electric Valves | 1in - 24V - Threaded
In stock
$65.34 $67.34 -3%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$65.27 $79.99 -18%
Blumat Digital Moisture Meter | 12in
Out of stock
$65.17 $85.99 -24%
HydroLogic Evolution-RO 1000 Filter Housing
In stock
$65.16 $72.50 -10%
EZ Clone Replacement Water Pump (Mag 750) , 700 GPH
In stock
$64.80 $77.49 -16%
Active Aqua Submersible Water Pump, 800 GPH
In stock
$64.56 $86.30 -25%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$64.22 $74.95 -14%
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 Water
Out of stock
$62.83 $83.13 -24%
EcoPlus Convertible Bottom Draw Water Pump - 585 GPH
In stock
$62.71 $82.37 -24%
5/8" ID Black Tubing 100'
Out of stock
$62.38 $80.29 -22%
FloraFlex Matrix, 15.5"-18", Pack of 12
In stock
$61.21 $120.99 -49%
Hydro Systems Repair Kit D | For MiniDos 2.5% Viton
Out of stock
$59.30 $61.11 -3%
EcoPlus ECO-633 Fixed Flow Submersible/Inline Pump - 594 GPH - 3.94 PSI
In stock
$57.27 $74.49 -23%
Active Aqua Commercial Air Pump, 12 Outlets, 112W, 110 L/min
In stock
$56.94 $173.59 -67%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$56.89 $58.63 -3%
Rusco Spin-Down Cover | Clear - 2in
Out of stock
$56.40 $58.12 -3%
Hydro Systems Advantage Connection Kit | 1in NPT x MHT - #011-054
Out of stock
$53.96 $55.61 -3%
Hydro Systems Ratio Adjustment Sleeve | #194406P
Out of stock
$53.63 $55.27 -3%
Netafim Manual Disc Filter | 0.75in
In stock
$53.42 $55.90 -4%
American Hydroponics Ball Valve, 1/2", pack of 10
In stock
$53.04 $64.95 -18%
1/2" ID Black Tubing 100'
In stock
$52.89 $68.08 -22%
Dosatron Mini Maintenance Kit | for Dosatron Injector Model D14MZ2
In stock
$52.36 $65.75 -20%
Dosatron Dilution Solutions Filter Kit | For Dosatron Systems - 200 Mesh (80 micron) Filter - 0.75in - 0.79gpm
In stock
$52.15 $53.74 -3%
Dosatron By-Pass Switch | for Dosatron Injector Model D14MZ2
In stock
$51.67 $53.24 -3%
OASE Fountain Pump 320 | 320gph - 16ft cord - Hose Size 1/2in - 3/4in
In stock
$51.67 $73.99 -30%
Dilution Solutions 3/4 in Check Valve
Out of stock
$51.20 $59.49 -14%
Active Aqua Commercial Air Pump, 6 Outlets, 20W, 45 L/min
In stock
$50.73 $59.39 -15%
Dilution Solutions 3/4 in Filter Kit with Unions, 200 Mesh/80 Micron
Out of stock
$50.66
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