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Water Filtration & Treatment

Pre-Filters
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HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 197
$71.97 $83.95 -14%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In Stock: 257
$68.52 $82.79 -17%
HydroLogic Evolution-RO 1000 Filter Housing
In Stock: 15
$66.65 $72.50 -8%
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In Stock: 12
$51.00 $73.45 -31%
HydroLogic HyperLogic Poly-Spun Sediment Pre-Filter - 20in x 4.5in - 5 Micron - Single Use
In Stock: 69
$49.38 $59.75 -17%
Netafim Manual Disc Filter | 0.75in
In Stock: 111
$46.05 $55.90 -18%
Netafim Disc Filter 3/4" MPT x MPT 140 Mesh 17 GPM Maximum Flow
In Stock: 5
$44.72 $47.66 -6%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In Stock: 130
$43.98 $50.95 -14%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In Stock: 86
$42.67 $51.56 -17%
Alchemist™ H2O2 Liquid Oxygen - 1gal (OR)
Out of stock
$42.53
Polyester Element for Spin-Down Sediment Filters | 1.5in - 140 Mesh
Out of stock
$41.69 $42.00 -1%
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 47
$38.17 $46.13 -17%
HydroLogic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In Stock: 30
$37.48 $45.21 -17%
Hydrologic MicRO RO Membrane, 75 GPD
Out of stock
$37.26 $59.95 -38%
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In Stock: 53
$36.80
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 78
$33.99 $41.95 -19%
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 22
$32.09 $34.21 -6%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 11
$29.55 $32.14 -8%
General Hydroponics pH Down Liquid - 1gal
In Stock: 3398
$28.50 $39.06 -27%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3749
$28.50 $39.06 -27%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$25.93 $31.35 -17%
GrowoniX Quick Connect Float Valve with Quick-Connect | for 1/4in or 3/8in
In Stock: 1
$25.41 $33.39 -24%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 57
$24.74 $35.65 -31%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 51
$24.70 $31.35 -21%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$24.38 $33.99 -28%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$24.38 $33.99 -28%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 68
$23.90 $31.50 -24%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In Stock: 65
$23.88 $26.78 -11%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 58
$22.20 $29.26 -24%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 225
$20.18 $24.39 -17%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.32 $31.99 -46%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.00 $49.95 -66%
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