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Water Filtration & Treatment

Pre-Filters
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32
HydroLogic Hydroid Filter Housing End Caps | O-Rings Sold Separately
Out of stock
$66.43
HydroLogic Evolution-RO 1000 Filter Housing
In Stock: 13
$64.66 $72.50 -11%
HydroLogic BIGboy Sediment Filter - Pleated - Cleanable
In Stock: 92
$64.54 $82.79 -22%
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 Water
Out of stock
$61.19 $83.13 -26%
Hydro-Logic Flowmaster Ultra Low Flow Model 1/4 In
In Stock: 156
$58.46 $84.02 -30%
Emerald Harvest pH Down 2.5 Gallon/9.46 Liter
Out of stock
$54.81 $171.84 -68%
HydroLogic Hydroid FRP O-Rings | 10pk
Out of stock
$52.50
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 Gallons of De-Chlorinat...
Out of stock
$48.59 $65.74 -26%
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 Gallons of De-Chlorinat...
Out of stock
$48.50 $73.45 -34%
HydroLogic TALLBoy ChloraShield Replaceable Carbon Filter Upgrade - 2 GPM - 1 Micron
In Stock: 37
$48.05 $73.45 -35%
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
$47.67
HydroLogic HyperLogic Poly-Spun Sediment Pre-Filter - 20in x 4.5in - 5 Micron - Single Use
In Stock: 65
$46.51 $59.75 -22%
Bluelab pH Probe KCl Storage Solution 100 ml (6/Cs)
Out of stock
$45.80 $75.48 -39%
Hydro-Logic Add On Kit De-Ionization for micRO-75
Out of stock
$43.95
Bluelab Replacement pH Probe
Out of stock
$43.07 $83.74 -49%
Alchemist™ H2O2 Liquid Oxygen - 1gal (OR)
Out of stock
$340.24 / $42.53 per unit
(minimum purchase of 8)
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade - For Stealth-RO & smallBoy Systems
In Stock: 63
$42.04 $50.95 -17%
CYCO pH Down 5 Liter (Case of 2)
Out of stock
$42.04 $73.62 -43%
Netafim Manual Disc Filter | 0.75in
In Stock: 13
$40.60 $55.90 -27%
Netafim Disc Filter 3/4" MPT x MPT 140 Mesh 17 GPM Maximum Flow
In Stock: 10
$40.60 $46.95 -14%
HydroLogic PreEvolution Sediment Filter - Pleated - Cleanable
In Stock: 52
$40.20 $51.56 -22%
Polyester Element for Spin-Down Sediment Filters | 1.5in - 140 Mesh
Out of stock
$39.51
Bluelab pH 7.0 Calibration Solution 250 ml (6/Cs)
Out of stock
$38.78 $63.00 -38%
Hydrologic MicRO RO Membrane, 75 GPD
Out of stock
$38.34 $59.95 -36%
Alchemist H2O2 Liquid Oxygen 34% Gallon - 1gal
In Stock: 123
$36.80
Bluelab pH 4.0 Calibration Solution 250 ml (6/Cs)
Out of stock
$35.98 $63.00 -43%
Bluelab 2.77EC Conductivity Solution 250 ml (6/Cs)
Out of stock
$35.98 $63.00 -43%
Hydro-Logic Cartridge DI (Small) Color Changing Translucent Housing
In Stock: 1085
$35.97 $51.69 -30%
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron Filtration
In Stock: 38
$35.96 $46.13 -22%
Central Coast Garden pH Down Solution | 1gal - Concentrate - 75% Phosphoric Acid
Out of stock
$143.20 / $35.80 per unit
(minimum purchase of 4)
Leader FA5 Clear Filter Housing | 5in - Transparent - 1in Female Thread
In Stock: 168
$35.66 $38.57 -8%
HydroLogic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In Stock: 28
$35.31 $45.21 -22%
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