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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
$37.48 $45.21 -17%
Central Coast Garden pH Down Solution | 1gal - Concentrate - 75% Phosphoric Acid
Out of stock
$37.30 $49.95 -25%
Hydrologic MicRO RO Membrane, 75 GPD
Out of stock
$37.26 $59.95 -38%
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In stock
$36.80
Leader FA5 Clear Filter Housing | 5in - Transparent - 1in Female Thread
In stock
$36.45 $38.57 -5%
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-Chlorinated Water
Out of stock
$36.05 $46.34 -22%
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In stock
$33.99 $41.95 -19%
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
Out of stock
$32.33 $34.21 -5%
GrowoniX Quick Connect Float Valve with Quick-Connect | for 1/4in or 3/8in
In stock
$31.14 $33.39 -7%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In stock
$29.77 $32.14 -7%
GrowoniX Pleated Sediment Filter | for EX/GX600, EX/GX1000, Lil Boss, and Lil Boss Deluxe - 4.5in x 9.75in - Pleated
Out of stock
$28.66 $42.95 -33%
Polyester Element for Spin-Down Sediment Filters | 1.5in - 140 Mesh
Out of stock
$28.54
General Hydroponics pH Down Liquid - 1gal
In stock
$28.50 $39.06 -27%
General Hydroponics pH Up Liquid - 1gal
In stock
$28.50 $39.06 -27%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$25.93 $31.35 -17%
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
$25.53 $38.15 -33%
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