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Water Filtration & Treatment

Pre-Filters
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HydroLogic PreEvolution KDF Catalytic Carbon Filter
In stock
$96.45 $114.95 -16%
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
In stock
$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
Out of stock
$83.76 $85.07 -2%
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HydroLogic Evolution-RO 1000 Fitting Kit
In stock
$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
In stock
$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%
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HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In stock
$68.52 $82.79 -17%
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%
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HydroLogic Evolution-RO 1000 Filter Housing
In stock
$63.67 $72.50 -12%
Save 2%
Polyester Element for Spin-Down Sediment Filters | 2in - 140 Mesh
Out of stock
$55.59 $56.46 -2%
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In stock
$51.00 $73.45 -31%
GrowoniX Eco Green Coconut Carbon Filter | for GX1000, GX600, EX1000, EX600, Lil Boss Deluxe, Lil Boss Systems - 8,000 Gallons of Pure RO Water or 17,000 Gal...
Out of stock
$50.63 $65.74 -23%
GrowoniX Eco White Coconut Carbon Filter | for GX1000, GX600, EX1000, EX600, Lil Boss Deluxe, Lil Boss Systems - 8,000 Gallons of Pure RO Water or 17,000 Gal...
Out of stock
$50.54 $73.45 -31%
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HydroLogic HyperLogic Poly-Spun Sediment Pre-Filter - 20in x 4.5in - 5 Micron - Single Use
In stock
$49.38 $59.75 -17%
Save 14%
Netafim Manual Disc Filter | 0.75in
In stock
$48.33 $55.90 -14%
Save 2%
Rusco SPIN-DOWN Sediment Filter Cover | Clear - 9-7/8in L x 2-3/4in W - For 1.5in Plumbing Connection - 1/2in MPT Nipple on Bottom
Out of stock
$45.88 $46.59 -2%
Save 16%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In stock
$43.01 $50.95 -16%
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HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In stock
$42.67 $51.56 -17%
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HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In stock
$38.17 $46.13 -17%
Save 17%
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%
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In stock
$37.30 $49.95 -25%
Hydrologic MicRO RO Membrane, 75 GPD
Out of stock
$37.26 $59.95 -38%
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-Chlorin...
Out of stock
$36.05 $46.34 -22%
Save 10%
Leader FA5 Clear Filter Housing | 5in - Transparent - 1in Female Thread
In stock
$34.56 $38.57 -10%
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