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Water Filtration & Treatment

Pre-Filters
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64
HydroLogic Hydroid FRP Housings
In stock
$263.92 $279.29 -6%
GrowoniX EX200 High-Flow Reverse Osmosis Filtration System | 2:1 System Ratio - 8.5gph of Pure RO Water - Stainless Steel Liquid-Filled Pressure Gauge - Manual Flush Valve
Out of stock
$263.72 $316.39 -17%
Danner Submersible Ultraviolet Clarifier | 10 Watt
Out of stock
$262.77 $328.99 -20%
Biobizz Bio-PH+ PH Regulator 20L pH UP
In stock
$259.73 $376.42 -31%
GrowoniX SlimScrub Water Filtration System | 120gph - 16,000gal Capacity - Filters out 99% of Chlorine and 90% of Sediment - Includes KDF/CAT Carbon Filter
Out of stock
$253.66 $297.85 -15%
General Hydroponics PRO pH Down - 6gal
In stock
$249.57 $348.72 -28%
General Hydroponics PRO pH Up - 6gal
In stock
$249.57 $348.72 -28%
HydroLogic Stealth-RO 150 Water Filtration System - 150 GPD
In stock
$236.70 $291.71 -19%
HydroLogic Evolution-RO 1000 Membrane Element - 600 GPD
In stock
$231.41 $285.18 -19%
HydroLogic ARCS System Stage 2 Replacement Cartridge - Stage 2 - Heavy Metal Reduction Filter
In stock
$207.94 $251.21 -17%
HydroLogic TALLBoy De-Chlorinator and Sediment Water Filtration System - 2 GPM - 5 Micron
In stock
$201.19 $243.08 -17%
HydroLogic HyperLogic Membrane Cleaning Cartridge Acid Scale Removal - 4.5in x 20in - Single Use
In stock
$199.04 $240.50 -17%
HydroLogic Evolution-RO 1000 Manifold
In stock
$198.45 $214.29 -7%
GrowoniX UV Sterilization Filter with Quick-Connect | 1gpm - 1/4in Quick-Connect - 120V AC Power - Destroys 99.9% of Micro-Organisms
Out of stock
$171.15 $196.63 -13%
AXEON – Big Switch Series Float Switch, 220V
Out of stock
$171.12 $216.23 -21%
GrowoniX Mini Scrub Water Filtration System | 60gph - 8,000gal Capacity - Filters out 99% of Chlorine and 90% of Sediment - NSF Listed - Includes KDF/CAT Carbon Filter
Out of stock
$170.82 $197.26 -13%
GrowoniX Replacement High-Flow Membrane | for EX800 Systems
Out of stock
$166.46 $218.25 -24%
HydroLogic Monitor Cross - 1in - Schedule 80 - PVC
In stock
$164.97 $166.50 -1%
Twist II Clean Filter | 1in
Out of stock
$157.32 $159.36 -1%
Biobizz Bio-PH- PH Regulator 10L pH DOWN
In stock
$150.31 $217.84 -31%
Biobizz Bio-PH+ PH Regulator 10L pH UP
In stock
$146.56 $212.40 -31%
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
$142.11
HydroLogic Stealth-RO 150 & 350 Membrane Element - 350 GPD
In stock
$137.08 $165.60 -17%
HydroLogic ARCS System Stage Replacement Cartridge - Stage 3 - pH Neutralizing & Remineralizing Filter
In stock
$133.72 $161.57 -17%
HydroLogic BIGboy KDF85 Catalytic Carbon Filter Upgrade
In stock
$128.33 $149.95 -14%
AXEON HYDRO RO EZ-Twist Sediment and Carbon Cartridges, 3-pack
Out of stock
$124.20 $199.00 -38%
GrowoniX Premium KDF85 Catalytic Carbon Filter | for CX4000, EX1000-T, EX600-T, XL Scrubber -17,000 Gallons of Pure RO Water or 34,000 Gallons of De-Chlorinated Water
Out of stock
$122.16 $159.29 -23%
Alchemist H2O2 Liquid Oxygen 34% 5 Gallon
In stock
$116.95
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%
General Hydroponics PRO pH Down - 2.5gal
In stock
$111.63 $168.07 -34%
General Hydroponics PRO pH Up - 2.5gal
In stock
$111.63 $168.07 -34%
HydroLogic smallBoy Dechlorinator & Sediment Water Filtration System - 1 GPM - 5 Micron
In stock
$110.62 $133.66 -17%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Stage 1 - Sediment Filter
In stock
$107.98 $130.47 -17%
HydroLogic PreEvolution KDF Catalytic Carbon Filter
In stock
$97.90 $114.95 -15%
Alchemist™ H2O2 Liquid Oxygen - 5gal (OR)
Out of stock
$94.35 $135.16 -30%
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In stock
$93.26 $112.68 -17%
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%
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 17,000 Gallons of De-Chl...
Out of stock
$90.49 $117.99 -23%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$89.89 $108.60 -17%
Rusco Spin-Down Filter | 1.5in 140 mesh
Out of stock
$88.34
Biobizz Bio-PH- PH Regulator 5L pH DOWN
In stock
$87.46 $126.76 -31%
GrowoniX Replacement High-Flow Membrane | for EX/GX200, GX300, EX/GX400 and EX400-T Systems
Out of stock
$85.13 $111.61 -24%
HydroLogic Evolution-RO 1000 Fitting Kit
In stock
$81.36 $87.86 -7%
Biobizz Bio-PH+ PH Regulator 5L pH UP
In stock
$81.21 $117.70 -31%
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 Water
Out of stock
$73.98 $96.06 -23%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In stock
$72.76 $84.95 -14%
HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$71.44 $83.95 -15%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In stock
$68.52 $82.79 -17%
HydroLogic Evolution-RO 1000 Filter Housing
In stock
$67.15 $72.50 -7%
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 Water
Out of stock
$63.76 $83.13 -23%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$58.63
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In stock
$51.00 $73.45 -31%
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 Gallons of De-Chlorinat...
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 Gallons of De-Chlorinat...
Out of stock
$50.54 $73.45 -31%
HydroLogic HyperLogic Poly-Spun Sediment Pre-Filter - 20in x 4.5in - 5 Micron - Single Use
In stock
$49.38 $59.75 -17%
Netafim Manual Disc Filter | 0.75in
In stock
$47.66 $55.90 -15%
Netafim Disc Filter 3/4" MPT x MPT 140 Mesh 17 GPM Maximum Flow
Out of stock
$47.66
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In stock
$43.66 $50.95 -14%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In stock
$42.67 $51.56 -17%
Alchemist™ H2O2 Liquid Oxygen - 1gal (OR)
Out of stock
$42.53
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In stock
$38.17 $46.13 -17%
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