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64
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%
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