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128
Active Aqua Chiller with Power Boost, 1/10 HP
In Stock: 46
$483.28 $575.34 -16%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$469.31 $620.47 -24%
Leader ECODIVER 1000 Submersible Pump | 3/4 HP - 1,620 GPH
Out of stock
$468.39
GrowoniX GX400 High-Flow Reverse Osmosis Filtration System | 2:1 System Ratio - 17gph of Pure RO Water - Stainless Steel Liquid-Filled Pressure Gauge - Manual Flush Valve
In Stock: 1
$466.97 $692.08 -33%
Dilution Solutions Nutrient Delivery System (NDS) End Kit, 3/4 in
Out of stock
$441.76
Hydro Systems Assembly Kit H | Motor Piston Assembly
Out of stock
$435.40 $444.93 -2%
EcoPlus Water Chiller - 1/10 HP - 1/2in - For Pump Sizes 66 to 317 GPH
In Stock: 16
$426.15 $517.28 -18%
Aptus PCS Ready-to-Use P50 System, Includes AP60052 & AP60054
In Stock: 21
$418.60 $499.00 -16%
OASE Waterfall Pumps | 3700gph
In Stock: 1
$417.91 $561.99 -26%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 24
$417.16 $550.11 -24%
Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$408.30 $555.70 -27%
AXEON XE1-4040 RO Membrane 4" x 40"
In Stock: 3
$406.78 $484.76 -16%
DAB ESYDOCK Docking Station Mount | 1-1/4in NPT - For Mounting (1) ESYBOX
Out of stock
$405.27 $482.47 -16%
GrowoniX EX400 High-Flow Reverse Osmosis Filtration System | 2:1 System Ratio - 17gph of Pure RO Water - Stainless Steel Liquid-Filled Pressure Gauge
Out of stock
$385.82 $451.98 -15%
Dilution Solutions Nutrient Delivery System (NDS) Water Hammer Arrestor Kit, 3/4 in
In Stock: 2
$365.49
Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In Stock: 37
$364.91 $481.18 -24%
HydroLogic HyperLogic Dual Level Float Switch Assembly
In Stock: 5
$359.13
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 106
$346.84 $467.38 -26%
Dilution Solutions Nutrient Delivery System (NDS) Starter Kit, 3/4 in
In Stock: 2
$346.25
HydroLogic Stealth-RO 300 Water Filtration System - 300 GPD - 18.5in x 16in x 6in
In Stock: 44
$340.20 $413.28 -18%
Aqua-X Controller with Water Detector set, Free App
In Stock: 76
$335.64 $348.60 -4%
OASE Waterfall Pumps | 2300gph
Out of stock
$335.06 $450.99 -26%
Aeromixer Synthetic Pro Edition
Out of stock
$333.60
Hydro Systems Advantage Lower Body | For A15 - Gray - #194140E
Out of stock
$331.49 $338.74 -2%
Dilution Solutions 1 1/2 in Filter with 200 Mesh Screen
In Stock: 4
$331.29 $366.73 -10%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 70
$327.03 $389.33 -16%
Aptus PCS P50 Accessory Kit (Base, Ring, Lock, Grid, Liner)
In Stock: 33
$314.52 $353.97 -11%
Danner Pondmaster Hydro-Air Combination Water & Air Pump | 1200GPH Pump
Out of stock
$295.51 $369.99 -20%
HydroLogic Hydroid FRP Housings
In Stock: 4
$294.62
Aeromixer Tall Tank
In Stock: 5
$292.97
Hanna pH, EC & TDS Tester | High Range
In Stock: 2
$287.69 $293.99 -2%
Aeromixer Original
In Stock: 5
$286.62
HydroLogic Hydroid Replacement Encapsulated Prefilter
In Stock: 74
$286.14 $304.45 -6%
Hydro Systems MNDS Mixing Chamber Kit | 4in - with Union Fittings
Out of stock
$279.48 $285.60 -2%
HydroLogic Stealth-RO Pressure Booster Pump - 110V
In Stock: 39
$271.97 $305.55 -11%
Biobizz Bio-PH- PH Regulator 20L pH DOWN
In Stock: 8
$270.26 $386.08 -30%
HydroLogic Hydroid Anti-Scalant Kit For Hard Source Water - Filter, Fittings, Tubing & Clips
In Stock: 8
$269.94
Leader VERTY GO 300 Automatic Submersible Pump | 1/3 HP - 2,040 GPH
In Stock: 68
$268.10 $269.57 -1%
Danner Submersible Ultraviolet Clarifier | 10 Watt
Out of stock
$266.57 $328.99 -19%
Biobizz Bio-PH+ PH Regulator 20L pH UP
In Stock: 7
$263.49 $376.42 -30%
General Hydroponics PRO pH Down - 6gal
In Stock: 229
$253.19 $373.13 -32%
General Hydroponics PRO pH Up - 6gal
In Stock: 78
$253.19 $373.13 -32%
Aeromixer Mini
Out of stock
$252.35
Dilution Solutions Nutrient Delivery System (NDS) Mixing Chamber Kit, 1 1/2 in
In Stock: 13
$240.45
HydroLogic Stealth-RO 150 Water Filtration System - 150 GPD
In Stock: 70
$240.13 $291.71 -18%
HydroLogic Evolution-RO 1000 Membrane Element - 600 GPD
In Stock: 474
$234.77 $285.18 -18%
Dilution Solutions Nutrient Delivery System (NDS) DAB Booster Starter Kit, 3/4 in
Out of stock
$234.23
Hydro Systems Repair Kit F | For SuperDos 2.5% Viton
Out of stock
$229.95 $234.99 -2%
Leader ECOPLUS 240 Multistage Self Priming Pump | 3/4 HP - For 1in Inlet/Outlet - 115 Volt
In Stock: 957
$228.38 $439.27 -48%
Heavy Duty Nutrient EC+Temp Sensor drop-in/inline compatible
In Stock: 16
$224.67 $241.50 -7%
Water Content Sensor with Cable Set
In Stock: 12
$221.93 $241.50 -8%
Bluelab Soil pH Pen
In Stock: 13
$220.14 $288.16 -24%
Leader ECOPLUS 230 Multistage Self Priming Centrifugal Pump | 1/2 HP - For 1in Inlet/Outlet - 115 Volt
In Stock: 763
$218.67 $422.16 -48%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 40
$218.53 $288.16 -24%
GroStar GS2 Soil pH Pen
In Stock: 143
$215.87 $256.99 -16%
Leader ECOTRONIC 110 Electronic Booster Pump | 1/2 HP - 960 GPH
In Stock: 1
$212.52 $516.31 -59%
Rusco Spin-Down Filter | 5.5in W x 17.875in L / Flow capacity 18-100gpm / Max pressure 150 PSI / Port size 2in slip, 140 Mesh
Out of stock
$212.23 $216.87 -2%
Hydro Systems Replacement Parts | 3/4in NPT - 140 Mesh
Out of stock
$212.10 $216.75 -2%
HydroLogic ARCS System Stage 2 Replacement Cartridge - Stage 2 - Heavy Metal Reduction Filter
In Stock: 5
$210.95 $251.21 -16%
Hydro Systems Repair Kit E | For SuperDos 30 2.5% Viton
Out of stock
$208.51 $213.08 -2%
HydroLogic TALLBoy De-Chlorinator and Sediment Water Filtration System - 2 GPM - 5 Micron
In Stock: 17
$204.11 $243.08 -16%
Inline EC+Temp Sensor, Heavy Duty
In Stock: 11
$202.75 $219.45 -8%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 11
$202.75 $219.45 -8%
HydroLogic HyperLogic Membrane Cleaning Cartridge Acid Scale Removal - 4.5in x 20in - Single Use
In Stock: 11
$201.92 $240.50 -16%
HydroLogic Evolution-RO 1000 Manifold
In Stock: 20
$201.39 $214.29 -6%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 1200gph Max Flow Rate - 13ft 7in - Shut-off - 110 Watts - 3/4in FPT Inlet - 3/4in MPT Outlet - 6.4in L x 4.5in W x 4.6in H...
In Stock: 2
$197.20 $304.99 -35%
Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In Stock: 426
$193.80 $199.00 -3%
EcoPlus ECO-2245 Fixed Flow Submersible/Inline Pump - 2,166 GPH - 7.25 PSI
In Stock: 39
$189.06 $239.74 -21%
Pondmaster Eco Inline Submersible Utility Pump | Eco 2175GPH - 16.5ft Max Pumping Height, 1in Threaded Intake, 1in Threaded Barbed Fittings Discharge, 15ft Power Cord
In Stock: 1
$187.31 $392.99 -52%
Twist II Clean Filter | 1in
In Stock: 1
$186.65 $190.74 -2%
Active Aqua Root Spa 5 gal 8 Bucket System
In Stock: 198
$186.05 $224.69 -17%
EcoPlus 1500 Elite Submersible Pump - 190 Watt - 12ft Power Cord & Fittings
In Stock: 23
$181.34 $227.09 -20%
Inline pH Sensor, Heavy Duty
In Stock: 9
$180.83 $197.40 -8%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 950gph Max Flow Rate - 12ft 10in - Shut-off - 93 Watts - 3/4in Inlet - 3/4in Outlet - 5.5in L x 3.4in W x 5in H - for Larg...
In Stock: 4
$179.44 $227.99 -21%
Netafim Black Polyethylene Tubing | 1in - 1.06in Diam - Black - 500ft per Roll
In Stock: 18
$178.40 $230.52 -23%
EcoPlus Eco Air 7 Commercial Air Pump - 3,566 GPH - 1 Outlet
Out of stock
$176.08 $228.95 -23%
AXEON – Big Switch Series Float Switch, 220V
Out of stock
$173.60 $216.23 -20%
DAB ESYWALL Mounting Bracket | For Mounting (1) ESYBOX or ESYBOX Mini
In Stock: 13
$171.36
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 115
$170.86 $255.74 -33%
HydroLogic Monitor Cross - 1in - Schedule 80 - PVC
In Stock: 8
$167.41
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In Stock: 25
$163.24 $213.70 -24%
Leader ECODIVER 750 Submersible Pump | 1/2 HP - 1,560 GPH
In Stock: 133
$160.50 $389.92 -59%
Netafim Plug | 100/Bag
In Stock: 4
$158.69 $178.75 -11%
Leader VERTY GO 600 Automatic Submersible Pump | 1/2 HP - 3,120 GPH
In Stock: 1158
$154.59 $299.51 -48%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 102
$152.87 $181.99 -16%
Biobizz Bio-PH- PH Regulator 10L pH DOWN
In Stock: 7
$152.49 $217.84 -30%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In Stock: 189
$151.62 $199.92 -24%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 201
$150.35 $178.99 -16%
Biobizz Bio-PH+ PH Regulator 10L pH UP
In Stock: 5
$148.68 $212.40 -30%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 700gph
In Stock: 5
$141.46 $219.99 -36%
HydroLogic Stealth-RO 150 & 350 Membrane Element - 350 GPD
In Stock: 132
$139.06 $165.60 -16%
EcoPlus ECO-1584 Fixed Flow Submersible/Inline Pump - 1,638 GPH - 5.22 PSI
In Stock: 39
$138.78 $173.59 -20%
DAB DOC68 Base for Surface Installation | 1-1/4in FNPT - For Dron & Skybox Diver
Out of stock
$137.72 $166.33 -17%
Hydro Systems SuperDos Conversion Kit | 2.5% To 2.5% WSP (Wettable Soluble Powder)
Out of stock
$136.82 $139.82 -2%
HydroLogic ARCS System Stage Replacement Cartridge - Stage 3 - pH Neutralizing & Remineralizing Filter
In Stock: 10
$135.66 $161.57 -16%
Netafim Black Polyethylene Tubing | 16mm - 0.52in Diam - 1000ft per Roll
In Stock: 42
$134.83 $174.21 -23%
Dramm ii ri Bluetooth Smart Irrigation Controller with Coil
Out of stock
$132.79 $193.28 -31%
Dilution Solutions Nutrient Delivery System (NDS) Mixing Chamber Kit, 3/4 in
Out of stock
$132.41
Active Aqua Utility Submersible Pump, 2642 GPH /10,000 LPH
In Stock: 136
$132.31 $164.84 -20%
Rusco Spin-Down Filter | 1.5in 140 mesh
Out of stock
$131.93 $134.82 -2%
Dosatron Plumbing Kit | for the Dosatron DosaCart
Out of stock
$131.47 $134.34 -2%
HydroLogic BIGboy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 44
$130.23 $149.95 -13%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 500gph
Out of stock
$129.64 $201.99 -36%
1" ID Black Tubing 100'
In Stock: 34
$129.23 $161.58 -20%
Bluelab pH Pen Meter | Measures pH and Temperature
In Stock: 352
$127.90 $172.35 -26%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 350gph
In Stock: 4
$126.38 $195.99 -36%
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$126.04 $139.99 -10%
AXEON HYDRO RO EZ-Twist Sediment and Carbon Cartridges, 3-pack
Out of stock
$126.00 $199.00 -37%
DAB Tank Water NFC Level Sensor | For DTRON3 & Skybox Diver Models - Connects to D.Connect BOX2
Out of stock
$124.68 $150.58 -17%
DAB Float Switch NFC | For DTRON & ESYBOX Diver Models
Out of stock
$124.68 $150.58 -17%
Mondi 1585X Gold Series Utility & Sump Pump, 1/2 HP, 1585 GPH
Out of stock
$124.24 $152.99 -19%
Netafim Black Polyethylene Tubing | 0.75in - 0.82in Diam - Black - 500ft per Roll
In Stock: 51
$121.27 $156.71 -23%
Danner Pondmaster Pond-Mag Magnetic-Drive Water Pump | 250gph
In Stock: 2
$120.95 $187.99 -36%
EcoPlus ECO-1267 Fixed Flow Submersible/Inline Pump - 1,347 GPH - 5.95 PSI
In Stock: 79
$117.11 $139.73 -16%
Alchemist H2O2 Liquid Oxygen 34% 5 Gallon
In Stock: 96
$116.95
Cutting Edge Solutions pH Down, 1 qt, case of 12
In Stock: 38
$115.75 $167.88 -31%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In Stock: 28
$115.75 $167.88 -31%
Danner Supreme Hydroponics Recirculating Aerating Water Pump | Model 3 - Max Flow 350gph - 1/2in FPT Inlet & 1/2in Barbed Outlet Adaptor
In Stock: 12
$114.02 $177.99 -36%
General Hydroponics PRO pH Down - 2.5gal
In Stock: 78
$113.25 $179.83 -37%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 35
$113.25 $179.83 -37%
Active Aqua Root Spa 5 gal 4 Bucket System
In Stock: 56
$113.05 $134.59 -16%
HydroLogic smallBoy Dechlorinator & Sediment Water Filtration System - 1 GPM - 5 Micron
In Stock: 38
$112.22 $133.66 -16%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In Stock: 110
$109.79 $144.77 -24%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Stage 1 - Sediment Filter
In Stock: 12
$109.55 $130.47 -16%
DAB ESYCOVER Kit | Green - For ESYBOX 220V 1 HP Models - NEMA 3
Out of stock
$108.95 $131.58 -17%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In Stock: 44
$108.74 $143.38 -24%
1.5" Digital Flow Meter
In Stock: 11
$108.22 $115.50 -6%
Dosatron Injection Seal Kit | for Dosatron Injector Model D14MZ2
In Stock: 11
$107.91 $110.28 -2%
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