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Water Filtration & Treatment

Pre-Filters
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HydroLogic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In stock
$36.67 $45.21 -19%
GrowoniX Eco Green Coconut Carbon Filter | for EX400-T and Slim Scrub Systems - 2.5in x 20in - 6,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chlorin...
Out of stock
$36.57 $46.34 -21%
Save 9%
Leader FA5 Clear Filter Housing | 5in - Transparent - 1in Female Thread
In stock
$35.10 $38.57 -9%
Save 18%
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In stock
$34.48 $41.95 -18%
Save 11%
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
Out of stock
$30.52 $34.21 -11%
Save 10%
GrowoniX Quick Connect Float Valve with Quick-Connect | for 1/4in or 3/8in
Out of stock
$29.99 $33.39 -10%
GrowoniX Pleated Sediment Filter | for EX/GX600, EX/GX1000, Lil Boss, and Lil Boss Deluxe - 4.5in x 9.75in - Pleated
Out of stock
$29.08 $42.95 -32%
Save 11%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In stock
$28.66 $32.14 -11%
General Hydroponics pH Down Liquid - 1gal
In stock
$27.02 $39.06 -31%
General Hydroponics pH Up Liquid - 1gal
In stock
$27.02 $39.06 -31%
Save 16%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$26.31 $31.35 -16%
GrowoniX Eco White Coconut Carbon Filter | for EX400-T, Slim Scrub Systems - 6,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chlorinated Water
Out of stock
$25.90 $38.15 -32%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$25.12 $35.65 -30%
GrowoniX Spun Sediment Filter | for EX600-T, EX1000-T, XL Scrub, and Sedi Scrub Systems - 4.5in x 20in - Spun
Out of stock
$25.10 $37.09 -32%
AXEON R1 Series Sediment Filter, 5 Micron
In stock
$25.06 $31.35 -20%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$24.29 $33.99 -29%
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$24.29 $33.99 -29%
Save 13%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In stock
$23.26 $26.78 -13%
Save 16%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In stock
$20.48 $24.39 -16%
GrowoniX Eco Green Coconut Carbon Filter | for EX100, EX/GX200, GX300, EX/GX400, and Mini Scrub Systems - 2.5in x 9.75in - 2,500 Gallons of Pure RO Water or ...
Out of stock
$18.89 $23.93 -21%
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