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64
1.25" Digital Flow Meter
In Stock: 10
$104.99 $110.25 -5%
EcoPlus Eco Air 5 Commercial Air Pump - 1,300 GPH - 1 Outlet
In Stock: 26
$104.92 $136.29 -23%
DAB ESYCOVER Kit | Green - For ESYBOX Mini 3 Models - NEMA 3
Out of stock
$103.35 $123.03 -16%
HydroLogic PreEvolution KDF Catalytic Carbon Filter
In Stock: 49
$102.98 $129.35 -20%
3/4" ID Black Tubing 100'
In Stock: 132
$102.14 $125.89 -19%
GroStar GS1 pH Pen
In Stock: 286
$101.91 $115.99 -12%
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In Stock: 11
$100.96 $202.71 -50%
1" Digital Flow Meter
In Stock: 12
$99.39 $103.95 -4%
Bluelab Connect Stick 2 | for Bluelab Connect Devices
In Stock: 170
$97.70 $147.11 -34%
Alchemist™ H2O2 Liquid Oxygen - 5gal (OR)
Out of stock
$97.09 $135.16 -28%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In Stock: 7
$96.60 $99.95 -3%
Atlantic Mag Drive Pump | 250gph - 20ft cord - 3/4in to 1in Step Outlet
Out of stock
$96.02 $136.99 -30%
GroStar GS3 EC Pen
In Stock: 97
$95.75 $113.99 -16%
Bluelab Combo Meter pH Replacement Probe | pH probe
In Stock: 413
$95.48 $126.85 -25%
2-in-1 EC + Temp Sensor for Reservoir
In Stock: 9
$95.19 $100.28 -5%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In Stock: 60
$95.08 $135.96 -30%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In Stock: 46
$95.08 $135.96 -30%
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In Stock: 162
$94.61 $112.68 -16%
Dosatron Y Filter Kit | 1in - 200 Mesh/80 Micron Screen - for Dosatron Injector Model D45RE
In Stock: 13
$93.74
HydroLogic Evolution-RO 1000 Wall Mount Bracket - Stainless Steel
In Stock: 14
$93.46 $111.32 -16%
Aptus PCS P-50 Pot Base
Out of stock
$92.78 $102.19 -9%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In Stock: 95
$92.23 $95.00 -3%
EcoPlus ECO-1056 Fixed Flow Submersible/Inline Pump - 1,000 GPH - 3.99 PSI
In Stock: 70
$91.86 $114.50 -20%
Hydro Systems Replacement Parts Kit D | For A30, DP30 & SuperDos 30
Out of stock
$91.59
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 31
$91.20 $108.60 -16%
Dilution Solutions Flow Restrictors 3/4 in
Out of stock
$90.51
Dilution Solutions Flow Restrictor, 3/4 in 14 GPM (D14 Series)
Out of stock
$90.51
Active Aqua Commercial Air Pump, 12 Outlets, 112W, 110 L/min
In Stock: 508
$90.37 $104.50 -14%
Biobizz Bio-PH- PH Regulator 5L pH DOWN
In Stock: 7
$90.00 $126.76 -29%
Danner Pondmaster Promotion Pump & Fountain Kit | 190gph
In Stock: 1
$89.76 $131.99 -32%
Rusco Spin-Down Cover | Clear - 2in
Out of stock
$88.68
EcoPlus Convertible Bottom Draw Water Pump - 730 GPH
In Stock: 57
$85.44 $106.78 -20%
Hydro Systems Kit D | For Viton - 1/4in - Suction
Out of stock
$84.50
HydroLogic Evolution-RO 1000 Fitting Kit
In Stock: 7
$84.38 $87.86 -4%
HydroLogic BIGboy Replacement PVC Float Valve - 3/4in
In Stock: 56
$84.35 $100.45 -16%
Biobizz Bio-PH+ PH Regulator 5L pH UP
In Stock: 7
$83.57 $117.70 -29%
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
In Stock: 3
$82.67 $126.99 -35%
pH Sensor for Reservoir
In Stock: 15
$82.59 $88.20 -6%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$82.05
Aeromixer Aerobuddy Timer + Power Controller
In Stock: 39
$81.90
Active Aqua Submersible Water Pump, 1100 GPH
In Stock: 311
$80.13 $102.63 -22%
Dosatron Mini Maintenance Seal Kit Doser 14GPM
In Stock: 3
$78.64
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: 2
$78.53 $120.99 -35%
EcoPlus Eco Air 8 Adjustable Air Pump - 380 GPH - 8 Outlet
In Stock: 24
$78.44 $95.15 -18%
Active Aqua Commercial Air Pump, 8 Outlets, 60W, 70 L/min
In Stock: 249
$77.38 $92.12 -16%
Hydrofarm Active Aqua Commercial Air Pump | 12 Outlet - 110 Liters/Minute
In Stock: 2
$76.98 $174.99 -56%
Netafim Electric Valves | 0.75in - 24V - Threaded
In Stock: 38
$76.93 $79.26 -3%
Netafim Electric Valves | 1in - 24V - Threaded
In Stock: 72
$76.93 $79.26 -3%
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Out of stock
$76.32 $359.00 -79%
Leader ECOSUB 420 Multi-Purpose Submersible Pump | 1/2 HP - 3,960 GPH
Out of stock
$76.21 $182.55 -58%
EcoPlus Eco Air 3 Commercial Air Pump - 1,030 GPH - 1 Outlet
In Stock: 88
$75.66 $91.28 -17%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 33
$75.46 $84.95 -11%
Dosatron Seal Kit | for Dosatron Injector Model D8R
In Stock: 7
$75.29
Dosatron By-Pass Switch | for Dosatron Injector Model D14MZ2
In Stock: 5
$75.18
Hydro Flow Premium Vinyl Tubing - 50ft Roll - 1in ID - Black
In Stock: 45
$74.54 $83.61 -11%
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
In Stock: 4
$74.52 $109.99 -32%
HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 103
$74.09 $83.95 -12%
Active Aqua Dual Diaphragm Air Pump
In Stock: 5
$73.77 $103.94 -29%
Dosatron Mini Maintenance Kit | for Dosatron Injector Model D14MZ2
In Stock: 14
$73.39
Hydro Systems Inner Cylinder #7 | #194404P
Out of stock
$72.65
Hydro Systems Replacement Inner Cylinder | 2.5% - #194404P
Out of stock
$72.63
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$72.44 $74.95 -3%
Hydro Systems Replacement Parts | For MiniDos - Outer Cylinder
Out of stock
$69.97
HydroLogic Evolution-RO 1000 Filter Housing
In Stock: 13
$69.64 $72.50 -4%
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