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Water Filtration & Treatment

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General Hydroponics PRO pH Up - 2.5gal
In stock
$104.33 $168.07 -38%
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HydroLogic PreEvolution KDF Catalytic Carbon Filter
In stock
$96.45 $114.95 -16%
Alchemist™ H2O2 Liquid Oxygen - 5gal (OR)
Out of stock
$94.35 $135.16 -30%
Save 17%
HydroLogic BIGboy Green Coconut Carbon Filter - 7 GPM - 5 Micron Filtration
In stock
$93.26 $112.68 -17%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In stock
$92.40 $135.96 -32%
Cutting Edge Solutions pH Up, 1 gal, case of 4
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$92.40 $135.96 -32%
Save 17%
HydroLogic Evolution-RO 1000 Wall Mount Bracket - Stainless Steel
In stock
$92.13 $111.32 -17%
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 17,0...
Out of stock
$90.49 $117.99 -23%
Save 17%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$89.89 $108.60 -17%
GrowoniX Replacement High-Flow Membrane | for EX/GX200, GX300, EX/GX400 and EX400-T Systems
Out of stock
$85.13 $111.61 -24%
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Rusco Spin-Down Filter | 1.5in 140 mesh
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$83.76 $85.07 -2%
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HydroLogic Evolution-RO 1000 Fitting Kit
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$77.15 $87.86 -12%
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 ...
Out of stock
$73.98 $96.06 -23%
Save 16%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
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$71.69 $84.95 -16%
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HydroLogic Evolution-RO ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In stock
$70.38 $83.95 -16%
Biobizz Bio-PH- PH Regulator 5L pH DOWN
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$69.97 $126.76 -45%
Save 17%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
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$68.52 $82.79 -17%
Biobizz Bio-PH+ PH Regulator 5L pH UP
In stock
$64.97 $117.70 -45%
GrowoniX Premium KDF85 Catalytic Carbon Filter | for EX800, EX400-T, Slim Scrub Systems - 6,000 Gallons of Pure RO Water or 17,000 Gallons of De-Chlorinated ...
Out of stock
$63.76 $83.13 -23%
Save 12%
HydroLogic Evolution-RO 1000 Filter Housing
In stock
$63.67 $72.50 -12%
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