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20
Hydro Systems Replacement O-Ring | 0.487 x 0.693 x 0.103 - #212005V (DP)
Out of stock
$16.87
P3 International Save a Drop Water Meter
In Stock: 3735
$16.76 $19.95 -16%
Active Aqua Replacement Impeller for AAPW1000
In Stock: 654
$16.67 $19.85 -16%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$16.59 $19.95 -17%
Central Coast Garden pH Up Solution | 32oz - 35% Potassium Hydroxide
Out of stock
$16.59 $19.95 -17%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In Stock: 200
$16.56 $21.37 -23%
Aquascape Statuary & Fountain Pump | 70gph Max Flow - 2ftft Max Height - 3 Watts
In Stock: 24
$15.99 $20.98 -24%
Leader CRL5 Mesh Sediment Filter | 5in - 20 Micron
In Stock: 287
$15.97
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 82
$15.95 $18.99 -16%
HydroLogic Poly Tubing - 50ft Roll - 1/4in - Blue
In Stock: 127
$15.90 $18.95 -16%
HydroLogic Poly Tubing - 50ft Roll - 1/4in - Black
In Stock: 74
$15.90 $18.95 -16%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In Stock: 600
$15.86 $21.29 -26%
Active Aqua Chiller 1" Fitting Kit for AACH100 & AACH100HP
In Stock: 17
$15.86 $18.89 -16%
Raindrip 1/4" Barbed Tee, pack of 50
In Stock: 64
$15.81 $18.82 -16%
Alchemist H2O2 Liquid Oxygen 34% (1 Quart)
In Stock: 1368
$15.80
Raindrip 6" Heavy Duty Support Stakes, pack of 50
In Stock: 87
$15.68 $18.67 -16%
Netafim Pressure Regulator | 3/4in - 15psi - Low Flow .25-4.5gpm
Out of stock
$15.44 $20.80 -26%
Netafim Pressure Regulator | 3/4in - 35psi - Low Flow .25-4.5gpm
In Stock: 21
$15.44 $20.80 -26%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 67
$15.39 $19.99 -23%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 56
$15.39 $19.99 -23%
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