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Water Filtration & Treatment

General Hydroponics pH Test Indicator - 8 Oz - pH 4.0-8.5 Color Test Solution
In Stock: 283
$153.48 / $12.79 per unit
(minimum purchase of 12)
Hydro-Logic Evolution-RO Quick Connect Liquid-Filled Pressure Gauge - 1/2-in QC Tee
In Stock: 6
$35.97 $41.95 -14%
HydroLogic BIGboy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 2
$134.84 $149.95 -10%
HydroLogic Stealth-RO & smallBoy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 22
$46.61 $50.95 -9%
General Hydroponics pH Up Liquid - 8 Oz - Potassium Hydroxide and Carbonate Base
In Stock: 51
$9.78 $11.33 -14%
Hydro-Logic HyperLogic Membrane Cleaning Cartridge - Acid Scale Removal - 4.5-in x 20-in - Single Use
Hydro-Logic HyperLogic Membrane Cleaning Cartridge - Acid Scale Removal - 4.5-in x 20-in - Single Use
In Stock: 12
$206.33 $240.50 -14%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron
In Stock: 20
$23.54 $24.39 -3%
HydroLogic HyperLogic Anti-Scale Cartridge Media Filter - 20 x 4.5-in - Single Use
In Stock: 2
$486.14 $591.50 -18%
HydroLogic TALLBoy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 5
$76.45 $84.95 -10%
HydroLogic Evolution-RO 1000 Replacement Manifold
HydroLogic Evolution-RO 1000 Replacement Manifold
In Stock: 7
$195.42 $214.29 -9%
HydroLogic smallBoy Poly-Spun Sediment Filter - 10 x 2.5-in - 5 Micron - Single Use
HydroLogic smallBoy Poly-Spun Sediment Filter - 10 x 2.5-in - 5 Micron - Single Use
In Stock: 53
$15.66 $16.24 -4%
Hydro-Logic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
Hydro-Logic Stealth-RO and smallBoy ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 4
$26.97 $35.65 -24%
Hydro-Logic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
Hydro-Logic Merlin-Garden Pro Green Coconut Carbon Filter - 2 GPM
In Stock: 13
$38.88 $45.21 -14%
General Hydroponics pH Test Kit Indicator - 1 Oz
In Stock: 294
$201.36 / $8.39 per unit
(minimum purchase of 24)
Hydro-Logic PreEvolution KDF Catalytic Carbon Filter
Hydro-Logic PreEvolution KDF Catalytic Carbon Filter
In Stock: 2
$115.85 $129.35 -10%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20 x 2.5-in - 5 Micron - Single Use
In Stock: 6
$19.61 $20.31 -3%
HydroLogic PreEvolution ChloraShield Replaceable Carbon Filter Upgrade - 1 GPM - 1 Micron
In Stock: 9
$93.28 $108.60 -14%
HydroLogic TALLBoy Green Coconut Carbon Filter - 2 GPM - 5 Micron
In Stock: 24
$39.61 $46.13 -14%
HydroLogic ARCS System Stage 1 Replacement Cartridge - Sediment Filter
HydroLogic ARCS System Stage 1 Replacement Cartridge - Sediment Filter
In Stock: 3
$112.07 $130.47 -14%
HydroLogic PreEvolution Pleated Sediment Filter - Cleanable - 10 x 4.5-in
In Stock: 8
$43.21 $51.56 -16%
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