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Water Filtration & Treatment

Pre-Filters
General Hydroponics pH Up Liquid - 8oz
In Stock: 938
$8.32 $11.33 -27%
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In Stock: 35
$51.74 $73.45 -30%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 45
$74.38 $84.95 -12%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In Stock: 117
$44.63 $50.95 -12%
HydroLogic smallBoy Poly-Spun Sediment Filter - 10in x 2.5in - 5 Micron - Single Use
In Stock: 289
$13.61 $16.24 -16%
HydroLogic Stealth-RO 150 & 350 Membrane Element - 350 GPD
In Stock: 191
$139.06 $165.60 -16%
HydroLogic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In Stock: 20
$37.48 $45.21 -17%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 93
$25.10 $35.65 -30%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 41
$113.25 $179.83 -37%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 86
$17.05 $20.31 -16%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 44
$91.20 $108.60 -16%
HydroLogic PreEvolution KDF Catalytic Carbon Filter
In Stock: 51
$112.61 $129.35 -13%
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 48
$38.72 $46.13 -16%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In Stock: 100
$43.29 $51.56 -16%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Stage 1 - Sediment Filter
In Stock: 18
$109.55 $130.47 -16%
General Hydroponics pH Test Kit Indicator - 1oz
In Stock: 1949
$169.68 / $7.07 per unit
(minimum purchase of 24)
HydroLogic Evolution-RO 1000 Manifold
In Stock: 40
$202.86 $214.29 -5%
HydroLogic ARCS System Stage Replacement Cartridge - Stage 3 - pH Neutralizing & Remineralizing Filter
In Stock: 5
$135.66 $161.57 -16%
AXEON N-12000 Reverse Osmosis System, 12000 GPD, 220V
Out of stock
$17,683.33 $21,072.66 -16%
Leader CRL5 Mesh Sediment Filter | 5in - 20 Micron
In Stock: 518
$15.75
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