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Water Filtration & Treatment

Pre-Filters
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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%
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-Chlorinated Water
Out of stock
$34.59 $46.34 -25%
HydroLogic Stealth-RO 150 Flush Valve Flow Restrictor | For Stealth-RO 150 Systems
Out of stock
$34.21
HydroLogic Stealth-RO 300 Flush Valve Flow Restrictor | For Stealth-RO 300 Systems
In Stock: 17
$33.46 $34.21 -2%
Hm Digital Water Resistant Ec/Tds Meter W/ Temperature In C/F Hydrotester (Model Com-80)
In Stock: 190
$32.70 $56.30 -42%
HydroLogic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2in QC Tee
In Stock: 74
$32.02 $41.95 -24%
Hydro-Logic micRO-75 Carbon/KDF85 Pre-Filter Cartridge
In Stock: 810
$31.51 $44.76 -30%
GrowoniX Quick Connect Float Valve with Quick-Connect | for 1/4in or 3/8in
Out of stock
$29.84 $33.39 -11%
HydroLogic Stealth-RO Replacement Filter Housing | For Stealth-RO Systems
In Stock: 16
$57.32 / $28.66 per unit
(minimum purchase of 2)
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