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Water Filtration & Treatment

Pre-Filters
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HydroLogic Evolution-RO 1000 Filter Housing
In Stock: 15
$68.14 $72.50 -6%
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In Stock: 25
$51.74 $73.45 -30%
HydroLogic HyperLogic Poly-Spun Sediment Pre-Filter - 20in x 4.5in - 5 Micron - Single Use
In Stock: 75
$50.09 $59.75 -16%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In Stock: 73
$44.31 $50.95 -13%
Netafim Manual Disc Filter | 0.75in
In Stock: 73
$43.72 $55.90 -22%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In Stock: 49
$43.29 $51.56 -16%
Netafim Disc Filter 3/4" MPT x MPT 140 Mesh 17 GPM Maximum Flow
In Stock: 10
$42.79 $47.66 -10%
Polyester Element for Spin-Down Sediment Filters | 1.5in - 140 Mesh
Out of stock
$42.62 $43.55 -2%
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
$38.72 $46.13 -16%
Hydrologic MicRO RO Membrane, 75 GPD
Out of stock
$37.80 $59.95 -37%
HydroLogic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In Stock: 29
$37.48 $45.21 -17%
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In Stock: 181
$36.80
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 21
$36.10
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 77
$34.48 $41.95 -18%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 9
$30.21 $32.14 -6%
General Hydroponics pH Down Liquid - 1gal
In Stock: 5512
$28.91 $41.79 -31%
General Hydroponics pH Up Liquid - 1gal
In Stock: 4195
$28.91 $41.79 -31%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In Stock: 53
$27.96 $28.59 -2%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$26.59 $33.99 -22%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$26.59 $33.99 -22%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$26.31 $31.35 -16%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 37
$25.10 $35.65 -30%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 49
$25.06 $31.35 -20%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 49
$22.53 $29.26 -23%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 67
$22.05 $31.50 -30%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 154
$20.47 $24.39 -16%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.57 $31.99 -45%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.25 $49.95 -65%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 71
$17.05 $20.31 -16%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 4495
$16.86 $24.34 -31%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$16.59 $19.95 -17%
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