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Water Filtration & Treatment

Pre-Filters
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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
$34.59 $46.34 -25%
HydroLogic Stealth-RO 150 Flush Valve Flow Restrictor | For Stealth-RO 150 Systems
Out of stock
$34.21
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 17
$33.46 $34.21 -2%
Hm Digital Water Resistant Ec/Tds Meter W/ Temperature In C/F Hydrotester (Model Com-80)
In Stock: 190
$32.70 $56.30 -42%
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 74
$32.02 $41.95 -24%
Hydro-Logic micRO-75 Carbon/KDF85 Pre-Filter Cartridge
In Stock: 810
$31.51 $44.76 -30%
GrowoniX Quick Connect Float Valve with Quick-Connect | for 1/4in or 3/8in
Out of stock
$29.84 $33.39 -11%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 16
$57.32 / $28.66 per unit
(minimum purchase of 2)
Emerald Harvest pH Up Gallon/3.79 Liter
In Stock: 1
$28.42 $81.51 -65%
Emerald Harvest pH Down Gallon/3.79 Liter (4/Cs)
In Stock: 8
$27.83 $82.95 -66%
GrowoniX Pleated Sediment Filter | for EX/GX600, EX/GX1000, Lil Boss, and Lil Boss Deluxe - 4.5in x 9.75in - Pleated
Out of stock
$27.50 $42.95 -36%
General Hydroponics pH Down Liquid - 1gal
In Stock: 5050
$26.84 $41.79 -36%
General Hydroponics pH Up Liquid - 1gal
In Stock: 3734
$26.84 $41.79 -36%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$26.12 $31.35 -17%
Dramm Inline Filter | ILF-175 - 10gpm - 40psi
In Stock: 64
$25.92 $26.78 -3%
GrowoniX Water Line Divider | 3-Way Splitter - 1/4in - White
Out of stock
$25.51
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 46
$25.42 $31.35 -19%
Cutting Edge Solutions pH Down | 1gal Bottle
Out of stock
$98.76 / $24.69 per unit
(minimum purchase of 4)
Cutting Edge Solutions pH Up | 1gal Bottle
Out of stock
$98.76 / $24.69 per unit
(minimum purchase of 4)
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
$24.50 $38.15 -36%
GrowoniX Spun Sediment Filter | for EX600-T, EX1000-T, XL Scrub, and Sedi Scrub Systems - 4.5in x 20in - Spun
Out of stock
$23.74 $37.09 -36%
HydroLogic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 67
$23.31 $35.65 -35%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 48
$22.36 $31.50 -29%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 42
$20.77 $29.26 -29%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 72
$239.88 / $19.99 per unit
(minimum purchase of 12)
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 108
$19.01 $24.39 -22%
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 8,000 Gallons of De-...
Out of stock
$17.86 $23.93 -25%
Emerald Harvest pH Down Quart/0.95 Liter
Out of stock
$17.03 $26.68 -36%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 40
$16.57 $19.99 -17%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 42
$16.57 $19.99 -17%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$64.08 / $16.02 per unit
(minimum purchase of 4)
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 86
$15.83 $20.31 -22%
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