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Water Filtration & Treatment

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32
General Hydroponics PRO pH Down - 2.5gal
In Stock: 58
$105.16 $179.83 -42%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 33
$105.16 $179.83 -42%
HydroLogic smallBoy Dechlorinator & Sediment Water Filtration System - 1 GPM - 5 Micron
In Stock: 41
$104.21 $133.66 -22%
HydroLogic Hydroid Upgraded Flow Restrictor | 1/2in
Out of stock
$103.57
Bluelab Soil pH Pen
Out of stock
$103.36 $210.94 -51%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Stage 1 - Sediment Filter
In Stock: 10
$101.72 $130.47 -22%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In Stock: 21
$100.72 $167.88 -40%
Hydro-Logic Upgrade Kit to Convert Stealth RO 150 to Stealth RO 300
In Stock: 1
$98.05 $140.94 -30%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In Stock: 20
$95.08 $135.96 -30%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In Stock: 19
$95.08 $135.96 -30%
HydroLogic Hydroid Upgraded Flow Restrictor | 3/8in
Out of stock
$92.50
Biobizz Bio-PH- PH Regulator 5L pH DOWN
In Stock: 6
$90.00 $126.76 -29%
Alchemist™ H2O2 Liquid Oxygen - 5gal (OR)
Out of stock
$177.76 / $88.88 per unit
(minimum purchase of 2)
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In Stock: 117
$87.85 $112.68 -22%
GrowoniX Premium KDF85 Catalytic Carbon Filter | for GX1000, GX600, EX1000, EX600, Lil Boss Deluxe, Lil Boss Systems - 8,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chl...
Out of stock
$86.84 $117.99 -26%
HydroLogic Evolution-RO 1000 Wall Mount Bracket - Stainless Steel
In Stock: 18
$86.79 $111.32 -22%
Hydro-Logic Upgrade Kit to Convert Tall Boy to Stealth RO 150
In Stock: 2
$86.77 $120.95 -28%
Hydro-Logic Add On Kit De-Ionization for Stealth-RO
In Stock: 7
$84.95
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 43
$84.68 $108.60 -22%
Biobizz Bio-PH+ PH Regulator 5L pH UP
In Stock: 7
$83.57 $117.70 -29%
GrowoniX Replacement High-Flow Membrane | for EX/GX200, GX300, EX/GX400 and EX400-T Systems
Out of stock
$81.69 $111.61 -27%
Hydro-Logic Cartridge DI (Big) Color Changing Translucent Housing
In Stock: 387
$80.97 $116.37 -30%
HydroLogic Evolution-RO 1000 Fitting Kit
In Stock: 17
$78.35 $87.86 -11%
Biobest Mite Swirskii Breeding System 100 Sachets
Out of stock
$77.85
Bluelab pH Probe KCI Storage Solution 250ml (Case of 6)
Out of stock
$76.35 $147.00 -48%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$74.43
GrowoniX Eco White Coconut Carbon Filter | for EX600-T, EX1000-T, and XL Scrub Systems - 17,000 Gallons of Pure RO Water or 34,000 Gallons of De-Chlorinated Water
Out of stock
$70.99 $96.06 -26%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 36
$70.07 $84.95 -18%
Bluelab pH 7.0 Calibration Solution 500 ml (6/Cs)
Out of stock
$69.83 $113.40 -38%
Bluelab pH 4.0 Calibration Solution 500 ml (6/Cs)
Out of stock
$69.83 $113.40 -38%
HydroLogic Hydroid True Lock Clips
Out of stock
$69.29
HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 136
$68.80 $83.95 -18%
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