0Cart

Water Filtration & Treatment

Pre-Filters
Sort by:
Price: High to Low
Show:
20
Rusco Spin-Down Filter | 5.5in W x 17.875in L / Flow capacity 18-100gpm / Max pressure 150 PSI / Port size 2in slip, 140 Mesh
Out of stock
$216.87
HydroLogic ARCS System Stage 2 Replacement Cartridge - Stage 2 - Heavy Metal Reduction Filter
In Stock: 4
$210.95 $251.21 -16%
HydroLogic Evolution-RO 1000 Manifold
In Stock: 20
$205.80 $214.29 -4%
HydroLogic TALLBoy De-Chlorinator and Sediment Water Filtration System - 2 GPM - 5 Micron
In Stock: 10
$204.11 $243.08 -16%
HydroLogic HyperLogic Membrane Cleaning Cartridge Acid Scale Removal - 4.5in x 20in - Single Use
In Stock: 11
$201.92 $240.50 -16%
Twist II Clean Filter | 1in
In Stock: 2
$190.74
AXEON – Big Switch Series Float Switch, 220V
Out of stock
$176.08 $216.23 -19%
HydroLogic Monitor Cross - 1in - Schedule 80 - PVC
In Stock: 8
$171.08
Biobizz Bio-PH- PH Regulator 10L pH DOWN
In Stock: 7
$154.67 $217.84 -29%
Biobizz Bio-PH+ PH Regulator 10L pH UP
In Stock: 5
$150.80 $212.40 -29%
HydroLogic Stealth-RO 150 & 350 Membrane Element - 350 GPD
In Stock: 117
$139.06 $165.60 -16%
HydroLogic ARCS System Stage Replacement Cartridge - Stage 3 - pH Neutralizing & Remineralizing Filter
In Stock: 10
$135.66 $161.57 -16%
Rusco Spin-Down Filter | 1.5in 140 mesh
Out of stock
$134.82
HydroLogic BIGboy KDF85 Catalytic Carbon Filter Upgrade
In Stock: 86
$133.08 $149.95 -11%
AXEON HYDRO RO EZ-Twist Sediment and Carbon Cartridges, 3-pack
Out of stock
$127.80 $199.00 -36%
Cutting Edge Solutions pH Down, 1 qt, case of 12
In Stock: 36
$117.41 $167.88 -30%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In Stock: 27
$117.41 $167.88 -30%
Alchemist H2O2 Liquid Oxygen 34% 5 Gallon
In Stock: 96
$116.95
General Hydroponics PRO pH Down - 2.5gal
In Stock: 64
$114.86 $179.83 -36%
General Hydroponics PRO pH Up - 2.5gal
In Stock: 31
$114.86 $179.83 -36%
Show other 20 products
Product filters
Free Shipping
In Stock
Price
$
–
$
  • $2
  • $100951
Shop Owner
Brand
    Show all (20)