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64
Leader ECODIVER 1000 Submersible Pump | 3/4 HP - 1,620 GPH
Out of stock
$478.65
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$476.01 $620.47 -23%
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
$473.64 $692.08 -32%
Dilution Solutions Nutrient Delivery System (NDS) End Kit, 3/4 in
Out of stock
$451.43
Hydro Systems Assembly Kit H | Motor Piston Assembly
Out of stock
$444.93
EcoPlus Water Chiller - 1/10 HP - 1/2in - For Pump Sizes 66 to 317 GPH
In Stock: 13
$429.19 $517.28 -17%
OASE Waterfall Pumps | 3700gph
In Stock: 1
$423.88 $561.99 -25%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 24
$423.12 $550.11 -23%
Aptus PCS Ready-to-Use P50 System, Includes AP60052 & AP60054
In Stock: 21
$418.60 $499.00 -16%
Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$414.13 $555.70 -25%
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
$391.41 $451.98 -13%
Dilution Solutions Nutrient Delivery System (NDS) Water Hammer Arrestor Kit, 3/4 in
In Stock: 2
$373.49
Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In Stock: 49
$370.12 $481.18 -23%
HydroLogic HyperLogic Dual Level Float Switch Assembly
In Stock: 4
$367.00
Dilution Solutions Nutrient Delivery System (NDS) Starter Kit, 3/4 in
In Stock: 2
$353.84
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 101
$351.79 $467.38 -25%
Aqua-X Controller with Water Detector set, Free App
In Stock: 68
$342.99 $348.60 -2%
HydroLogic Stealth-RO 300 Water Filtration System - 300 GPD - 18.5in x 16in x 6in
In Stock: 48
$342.63 $413.28 -17%
Aeromixer Synthetic Pro Edition
In Stock: 28
$340.90
OASE Waterfall Pumps | 2300gph
Out of stock
$339.85 $450.99 -25%
Hydro Systems Advantage Lower Body | For A15 - Gray - #194140E
Out of stock
$338.74
Dilution Solutions 1 1/2 in Filter with 200 Mesh Screen
In Stock: 4
$338.55 $366.73 -8%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 65
$327.03 $389.33 -16%
Aptus PCS P50 Accessory Kit (Base, Ring, Lock, Grid, Liner)
In Stock: 33
$321.41 $353.97 -9%
HydroLogic Hydroid FRP Housings
In Stock: 4
$301.07
Danner Pondmaster Hydro-Air Combination Water & Air Pump | 1200GPH Pump
Out of stock
$299.73 $369.99 -19%
Aeromixer Tall Tank
In Stock: 37
$299.39
Hanna pH, EC & TDS Tester | High Range
In Stock: 2
$293.99
Aeromixer Original
In Stock: 27
$292.89
HydroLogic Hydroid Replacement Encapsulated Prefilter
In Stock: 71
$292.40 $304.45 -4%
Hydro Systems MNDS Mixing Chamber Kit | 4in - with Union Fittings
Out of stock
$285.60
HydroLogic Stealth-RO Pressure Booster Pump - 110V
In Stock: 38
$277.93 $305.55 -9%
HydroLogic Hydroid Anti-Scalant Kit For Hard Source Water - Filter, Fittings, Tubing & Clips
In Stock: 7
$275.86
Biobizz Bio-PH- PH Regulator 20L pH DOWN
In Stock: 8
$274.12 $386.08 -29%
Leader VERTY GO 300 Automatic Submersible Pump | 1/3 HP - 2,040 GPH
In Stock: 67
$273.97
Danner Submersible Ultraviolet Clarifier | 10 Watt
Out of stock
$270.38 $328.99 -18%
Biobizz Bio-PH+ PH Regulator 20L pH UP
In Stock: 7
$267.26 $376.42 -29%
Aeromixer Mini
In Stock: 30
$257.88
General Hydroponics PRO pH Down - 6gal
In Stock: 225
$256.81 $373.13 -31%
General Hydroponics PRO pH Up - 6gal
In Stock: 71
$256.81 $373.13 -31%
Dilution Solutions Nutrient Delivery System (NDS) Mixing Chamber Kit, 1 1/2 in
In Stock: 13
$245.71
HydroLogic Stealth-RO 150 Water Filtration System - 150 GPD
In Stock: 67
$241.84 $291.71 -17%
Dilution Solutions Nutrient Delivery System (NDS) DAB Booster Starter Kit, 3/4 in
Out of stock
$239.36
HydroLogic Evolution-RO 1000 Membrane Element - 600 GPD
In Stock: 425
$236.44 $285.18 -17%
Hydro Systems Repair Kit F | For SuperDos 2.5% Viton
Out of stock
$234.99
Leader ECOPLUS 240 Multistage Self Priming Pump | 3/4 HP - For 1in Inlet/Outlet - 115 Volt
In Stock: 944
$231.64 $439.27 -47%
Heavy Duty Nutrient EC+Temp Sensor drop-in/inline compatible
In Stock: 16
$229.59 $241.50 -5%
Water Content Sensor with Cable Set
In Stock: 20
$226.79 $241.50 -6%
Bluelab Soil pH Pen
In Stock: 13
$223.28 $288.16 -23%
Leader ECOPLUS 230 Multistage Self Priming Centrifugal Pump | 1/2 HP - For 1in Inlet/Outlet - 115 Volt
In Stock: 758
$221.79 $422.16 -47%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 35
$221.65 $288.16 -23%
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
$216.87
Hydro Systems Replacement Parts | 3/4in NPT - 140 Mesh
Out of stock
$216.75
GroStar GS2 Soil pH Pen
In Stock: 143
$215.87 $256.99 -16%
Leader ECOTRONIC 110 Electronic Booster Pump | 1/2 HP - 960 GPH
Out of stock
$215.56 $516.31 -58%
Hydro Systems Repair Kit E | For SuperDos 30 2.5% Viton
Out of stock
$213.08
HydroLogic ARCS System Stage 2 Replacement Cartridge - Stage 2 - Heavy Metal Reduction Filter
In Stock: 4
$210.95 $251.21 -16%
Inline EC+Temp Sensor, Heavy Duty
In Stock: 11
$207.19 $219.45 -6%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 11
$207.19 $219.45 -6%
HydroLogic Evolution-RO 1000 Manifold
In Stock: 20
$205.80 $214.29 -4%
HydroLogic TALLBoy De-Chlorinator and Sediment Water Filtration System - 2 GPM - 5 Micron
In Stock: 10
$204.11 $243.08 -16%
HydroLogic HyperLogic Membrane Cleaning Cartridge Acid Scale Removal - 4.5in x 20in - Single Use
In Stock: 11
$201.92 $240.50 -16%
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