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128
Save 2%
Hydro Systems SuperDos Conversion Kit | 2.5% To 2.5% WSP (Wettable Soluble Powder)
Out of stock
$119.81 $121.68 -2%
Save 14%
Aptus PCS P-50 Drainage Grid
Out of stock
$119.46 $138.50 -14%
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%
Netafim Plug | 100/Bag
Out of stock
$112.89
Save 3%
Dilution Solutions Nutrient Delivery System (NDS) Mixing Chamber Kit, 3/4 in
Out of stock
$112.46 $116.31 -3%
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%
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 2%
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$105.27 $106.91 -2%
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%
Save 17%
3/4" ID Black Tubing 100'
In stock
$104.23 $125.89 -17%
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%
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%
Save 17%
GroStar GS1 pH Pen
In stock
$96.81 $115.99 -17%
Save 16%
HydroLogic PreEvolution KDF Catalytic Carbon Filter
In stock
$96.45 $114.95 -16%
EcoPlus Eco Air 5 Commercial Air Pump - 1,300 GPH - 1 Outlet
In stock
$96.20 $128.58 -25%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$94.43 $128.70 -27%
Save 17%
GroStar GS3 EC Pen
In stock
$94.38 $113.99 -17%
Danner Supreme Hydroponics Recirculating Aerating Water Pump | Model 3 - Max Flow 350gph - 1/2in FPT Inlet & 1/2in Barbed Outlet Adaptor
In stock
$93.66 $147.99 -37%
Save 17%
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In stock
$93.26 $112.68 -17%
Save 1%
Dosatron Injection Seal Kit | for Dosatron Injector Model D14MZ2
In stock
$92.56 $93.38 -1%
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%
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 17%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$89.89 $108.60 -17%
Save 2%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$88.42 $89.80 -2%
Save 14%
Aptus PCS P-50 Pot Base
Out of stock
$88.14 $102.19 -14%
Save 9%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$86.44 $95.00 -9%
GrowoniX Replacement High-Flow Membrane | for EX/GX200, GX300, EX/GX400 and EX400-T Systems
Out of stock
$85.13 $111.61 -24%
Atlantic Mag Drive Pump | 250gph - 20ft cord - 3/4in to 1in Step Outlet
In stock
$84.99 $123.99 -31%
EcoPlus ECO-1056 Fixed Flow Submersible/Inline Pump - 1,000 GPH - 3.99 PSI
In stock
$84.21 $108.02 -22%
Save 2%
Rusco Spin-Down Filter | 1.5in 140 mesh
Out of stock
$83.76 $85.07 -2%
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%
Save 2%
Netafim Black Polyethylene Tubing | 16mm - 0.52in Diam - Black - 500ft per Roll
In stock
$81.28 $82.55 -2%
Dosatron Y Filter Kit | 1in - 200 Mesh/80 Micron Screen - for Dosatron Injector Model D45RE
In stock
$79.73
EcoPlus Convertible Bottom Draw Water Pump - 730 GPH
In stock
$78.33 $100.74 -22%
Save 2%
Hydro Systems Kit D | For Viton - 1/4in - Suction
Out of stock
$78.31 $79.53 -2%
Save 2%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$77.48 $78.69 -2%
Danner Pondmaster Promotion Pump & Fountain Kit | 190gph
In stock
$77.18 $115.99 -33%
Save 12%
HydroLogic Evolution-RO 1000 Fitting Kit
In stock
$77.15 $87.86 -12%
Save 17%
Active Aqua Commercial Air Pump, 8 Outlets, 60W, 70 L/min
In stock
$76.79 $92.12 -17%
Active Aqua Submersible Water Pump, 1100 GPH
In stock
$75.53 $95.03 -21%
Dilution Solutions Flow Restrictors 3/4 in
Out of stock
$75.23
Dilution Solutions Flow Restrictor, 3/4 in 14 GPM (D14 Series)
Out of stock
$75.23
Save 5%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$74.88 $79.00 -5%
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%
Active Aqua Dual Diaphragm Air Pump
In stock
$73.66 $103.94 -29%
Save 14%
Netafim Pressure Regulator | 1.5in - 12psi - 11-35gpm
In stock
$73.08 $84.50 -14%
Save 14%
Netafim Pressure Regulator | 1.5in - 35psi - 11-35gph
Out of stock
$73.08 $84.50 -14%
Save 19%
EcoPlus Eco Air 8 Adjustable Air Pump - 380 GPH - 8 Outlet
In stock
$72.44 $89.76 -19%
Save 16%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In stock
$71.69 $84.95 -16%
Save 16%
HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$70.38 $83.95 -16%
Save 19%
EcoPlus Eco Air 3 Commercial Air Pump - 1,030 GPH - 1 Outlet
In stock
$69.86 $86.11 -19%
Save 17%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In stock
$68.52 $82.79 -17%
Save 15%
Hydro Flow Premium Vinyl Tubing - 50ft Roll - 1in ID - Black
In stock
$66.81 $78.88 -15%
Save 17%
5/8" ID Black Tubing 100'
In stock
$66.46 $80.29 -17%
Save 2%
Netafim Black Polyethylene Tubing | 1in - 1.06in Diam - Black - 100ft per Roll
Out of stock
$66.43 $67.47 -2%
Save 17%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$66.23 $79.99 -17%
Blumat Digital Moisture Meter | 12in
Out of stock
$66.13 $85.99 -23%
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
$65.81 $103.99 -37%
Save 15%
EZ Clone Replacement Water Pump (Mag 750) , 700 GPH
In stock
$65.76 $77.49 -15%
Save 4%
Dosatron Mini Maintenance Seal Kit Doser 14GPM
Out of stock
$65.36 $68.33 -4%
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
$64.13 $100.99 -36%
Save 2%
Hydro Systems Replacement Parts Kit D | For A30, DP30 & SuperDos 30
Out of stock
$64.00 $65.00 -2%
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 12%
HydroLogic Evolution-RO 1000 Filter Housing
In stock
$63.67 $72.50 -12%
EcoPlus Convertible Bottom Draw Water Pump - 585 GPH
In stock
$63.63 $82.37 -23%
Save 16%
Active Aqua Air Pump, 8 Outlets, 12W, 25 L/min
In stock
$63.14 $75.59 -16%
Save 16%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$62.80 $74.95 -16%
FloraFlex Matrix, 15.5"-18", Pack of 12
In stock
$62.11 $120.99 -49%
Save 2%
Hydro Systems Replacement Inner Cylinder | 2.5% - #194404P
Out of stock
$61.67 $62.63 -2%
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...
Out of stock
$60.91 $91.99 -34%
Active Aqua Submersible Water Pump, 800 GPH
In stock
$60.65 $79.91 -24%
Save 2%
Hydro Systems Replacement Parts | For MiniDos - Outer Cylinder
Out of stock
$58.82 $59.74 -2%
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%
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%
Hydrofarm Active Aqua Air Pump | 8 Outlet - 25 L/min
In stock
$57.01 $79.99 -29%
Save 17%
1/2" ID Black Tubing 100'
In stock
$56.37 $68.08 -17%
Save 2%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$55.59 $56.46 -2%
Save 2%
Rusco Spin-Down Cover | Clear - 2in
Out of stock
$55.10 $55.96 -2%
Save 2%
Hydro Systems Repair Kit D | For MiniDos 2.5% Viton
Out of stock
$54.34 $55.18 -2%
Save 17%
American Hydroponics Ball Valve, 1/2", pack of 10
In stock
$53.82 $64.95 -17%
Save 19%
Dosatron Mini Maintenance Kit | for Dosatron Injector Model D14MZ2
In stock
$53.13 $65.75 -19%
Save 15%
EZ Clone Water Pump (Mag 450), 320 GPH
Out of stock
$51.07 $60.19 -15%
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In stock
$51.00 $73.45 -31%
Dosatron Dilution Solutions Filter Kit | For Dosatron Systems - 200 Mesh (80 micron) Filter - 0.75in - 0.79gpm
In stock
$50.96
GrowoniX Eco Green Coconut Carbon Filter | for GX1000, GX600, EX1000, EX600, Lil Boss Deluxe, Lil Boss Systems - 8,000 Gallons of Pure RO Water or 17,000 Gal...
Out of stock
$50.63 $65.74 -23%
GrowoniX Eco White Coconut Carbon Filter | for GX1000, GX600, EX1000, EX600, Lil Boss Deluxe, Lil Boss Systems - 8,000 Gallons of Pure RO Water or 17,000 Gal...
Out of stock
$50.54 $73.45 -31%
Dosatron By-Pass Switch | for Dosatron Injector Model D14MZ2
In stock
$50.48
Save 17%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$49.67 $59.99 -17%
Save 16%
Active Aqua Commercial Air Pump, 6 Outlets, 20W, 45 L/min
In stock
$49.61 $59.39 -16%
Save 17%
HydroLogic HyperLogic Poly-Spun Sediment Pre-Filter - 20in x 4.5in - 5 Micron - Single Use
In stock
$49.38 $59.75 -17%
Save 14%
Aptus PCS P-50 Pot Irrigation Ring
Out of stock
$49.08 $56.87 -14%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 190gph - for Small to Medium Size Fountains, Piped Statuary, and Small Ponds
Out of stock
$48.95 $65.99 -26%
Save 17%
Gardena Smart Flow Water Meter
In stock
$48.84 $58.99 -17%
Save 14%
Netafim Manual Disc Filter | 0.75in
In stock
$48.33 $55.90 -14%
Save 19%
Dilution Solutions 3/4 in Check Valve
Out of stock
$48.30 $59.49 -19%
Save 2%
Hydro Systems Advantage Connection Kit | 1in NPT x MHT - #011-054
Out of stock
$48.29 $49.05 -2%
EcoPlus Eco Air 1 Commercial Air Pump - 793 GPH - 1 Outlet
In stock
$47.87 $63.64 -25%
Active Aqua Utility Sump Pump, 1479 GPH/5600 LPH
Out of stock
$47.86 $153.29 -69%
OASE Fountain Pump 320 | 320gph - 16ft cord - Hose Size 1/2in - 3/4in
In stock
$47.76 $66.59 -28%
Save 17%
Active Aqua Root Spa 5 gal Bucket System
In stock
$47.14 $56.93 -17%
Save 2%
Rusco SPIN-DOWN Sediment Filter Cover | Clear - 9-7/8in L x 2-3/4in W - For 1.5in Plumbing Connection - 1/2in MPT Nipple on Bottom
Out of stock
$45.88 $46.59 -2%
Active Aqua Submersible Water Pump, 550 GPH
In stock
$45.50 $59.93 -24%
Save 4%
Dilution Solutions 3/4 in Filter Kit with Unions, 200 Mesh/80 Micron
Out of stock
$44.99 $46.99 -4%
Save 17%
GroStar GS3-E replacement EC electrode
In stock
$44.70 $53.99 -17%
FloraFlex Matrix, 12.5"-14.5", Pack of 12
In stock
$43.73 $87.99 -50%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 290gph - 6.5ft Max Pumping Height - Includes : 1/2in, 5/8in and 3/4in Tubing Adapters - Grounded ...
In stock
$43.69 $73.99 -41%
Save 2%
Dosatron Seal Kit | for Dosatron Injector Model D8R
Out of stock
$43.23 $43.90 -2%
Save 16%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In stock
$43.01 $50.95 -16%
Save 17%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In stock
$42.67 $51.56 -17%
Save 19%
HydroLogic Stealth-RO & TALLBoy Quick Connect Pressure Regulator Fittings - 3/8in QC
In stock
$42.56 $52.45 -19%
Netafim Electric Valves | 0.75in - 24V - Threaded
In stock
$42.25
Netafim Electric Valves | 1in - 24V - Threaded
In stock
$42.25
Save 2%
Hydro Systems Replacement Parts Kit M | For SuperDos - Mounting Bracket
Out of stock
$42.24 $42.90 -2%
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