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Water Filtration & Treatment

General Hydroponics® PRO pH Up - 2.5 Gallon - Non-Mineral, Non-Corrosive Commercial pH Adjuster - No HazMat Fees
In Stock: 41
$114.86 $179.83 -36%
HydroLogic® TALLBoy® ChloraShield® Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In Stock: 16
$55.11 $73.45 -25%
HydroLogic® Stealth-RO™ and smallBoy® Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 217
$20.32 $24.39 -17%
HydroLogic® Stealth-RO™ & smallBoy® KDF85 Catalytic Carbon Filter Upgrade - Removes Chlorine, Chloramine & Heavy Metals
In Stock: 78
$46.53 $50.95 -9%
HydroLogic® BIGboy™ Sediment Filter - Pleated - Cleanable - Replace Every 6 Months - 20in x 4.5in
In Stock: 191
$69.01 $82.79 -17%
HydroLogic® TALLBoy® KDF85 Catalytic Carbon Filter Upgrade
In Stock: 41
$76.06 $84.95 -10%
HydroLogic® Stealth-RO™ 150 & 350 Membrane Element - 350 GPD - 98%+ TDS Reduction Replacement Membrane
In Stock: 135
$138.07 $165.60 -17%
HydroLogic® Stealth-RO™ and smallBoy® ChloraShield® Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 53
$26.75 $35.65 -25%
HydroLogic® smallBoy® Poly-Spun Sediment Filter - 10in x 2.5in - 5 Micron - Single Use
In Stock: 129
$13.51 $16.24 -17%
HydroLogic® Merlin-Garden Pro™ Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 22
$38.32 $45.21 -15%
General Hydroponics® pH Test Kit Indicator - 1oz - pH 4.0-8.5 Color Test Solution
In Stock: 2801
$172.08 / $7.17 per unit
(minimum purchase of 24)
HydroLogic® PreEvolution™ KDF Catalytic Carbon Filter Upgrade
In Stock: 61
$115.15 $129.35 -11%
HydroLogic® Evolution-RO™ 1000 Manifold - Replacement - For Evolution-RO™ 1000 Systems
In Stock: 37
$207.43 $214.29 -3%
HydroLogic® PreEvolution™ ChloraShield® Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 35
$91.91 $108.60 -15%
HydroLogic® TALLBoy® Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 88
$16.93 $20.31 -17%
HydroLogic® TALLBoy® Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 65
$39.03 $46.13 -15%
HydroLogic® ARCS™ System Stage 1 Replacement Cartridge - Sediment Filter - Change Every 5,000 gallons
In Stock: 17
$110.44 $130.47 -15%
HydroLogic® PreEvolution™ Sediment Filter - Pleated - Cleanable - Replace Every 6 Months - 10in x 4.5in
In Stock: 93
$42.98 $51.56 -17%
HydroLogic Monitor Cross - 1in - Schedule 80 - PVC
In Stock: 4
$166.50
HydroLogic® ARCS™ System Stage 3 Replacement Cartridge - pH Neutralizing & Remineralizing Filter - Change Every 10,000 gallons
In Stock: 5
$136.74 $161.57 -15%
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