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32
Alchemist H2O2 Liquid Oxygen 34% (1 Quart)
In stock
$15.80
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In stock
$15.75 $22.75 -31%
Save 12%
Aptus PCS P-50 Pot Sock Liner
In stock
$15.69 $17.90 -12%
Save 16%
Raindrip 6" Heavy Duty Support Stakes, pack of 50
In stock
$15.68 $18.67 -16%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In stock
$15.64
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In stock
$15.64 $21.29 -27%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 35gph - for smaller Tabletop Fountains
In stock
$15.60 $24.99 -38%
Central Coast Garden pH Down Solution | 32oz - Concentrate - 75% Phosphoric Acid
Out of stock
$15.15 $19.95 -24%
Central Coast Garden pH Up Solution | 32oz - 35% Potassium Hydroxide
Out of stock
$15.15 $19.95 -24%
Save 16%
Active Aqua 12-Outlet Metal Air Manifold
In stock
$15.11 $17.99 -16%
Save 17%
Active Aqua Air Stone, 6" (15 cm), case of 12
In stock
$15.11 $18.15 -17%
Save 8%
Leader CRL5 Mesh Sediment Filter | 5in - 20 Micron
In stock
$14.52 $15.71 -8%
Save 12%
Aptus PCS P-50 Base-Pot Screw Lock
Out of stock
$14.42 $16.47 -12%
Raindrip Pipe Thread Pressure Regulator | 3/4 inch/Pressure up to 80 PSI/Preset at 25-30 PSI
In stock
$14.20 $18.99 -25%
FloraFlex Matrix Pad, 9"-10.5", Pack of 12
Out of stock
$14.15 $26.99 -48%
Save 16%
HydroLogic smallBoy Poly-Spun Sediment Filter - 10in x 2.5in - 5 Micron - Single Use
In stock
$13.61 $16.24 -16%
FloraFlex Multi Flow Bubbler
In stock
$13.58 $17.64 -23%
GrowoniX Spun Sediment Filter | for EX/GX600, EX/GX1000, Lil Boss, and Lil Boss Deluxe - 4.5in x 9.75in - Spun
Out of stock
$13.51 $19.98 -32%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In stock
$13.46
Save 15%
Active Aqua Air Pump, 1 Outlet, 2W, 3.2 L/min
In stock
$13.31 $15.73 -15%
Raindrip Poly Tubing | 1/2in Diam x 50ft - Coiled
In stock
$13.26 $16.99 -22%
Save 19%
Raindrip Adjustable Eight-Outlet Bubbler
In stock
$13.19 $16.28 -19%
GrowoniX Eco White Coconut Carbon Filter | for EX100, EX/GX200, GX300, EX/GX400, and Mini Scrub Systems - 2.5in x 9.75in - 2,500 Gallons of Pure RO Water or ...
Out of stock
$13.06 $19.23 -32%
Save 6%
Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml
In stock
$13.04 $13.90 -6%
Save 6%
Milwaukee Instruments pH 7.01 Solution, 230 ml
In stock
$13.04 $13.90 -6%
Active Aqua Rubber Grommet, 3/4", pack of 25
In stock
$12.88 $18.38 -30%
Raindrip Poly Tubing | Black - 1/4in Diam x 100ft L
In stock
$12.77 $16.99 -25%
Hydro Systems Replacement O-Ring | 0.487 x 0.693 x 0.103 - #212005V (DP)
Out of stock
$12.70
Save 17%
EcoPlus Eco Air 1 Adjustable Air Pump - 44 GPH - 1 Outlet
In stock
$12.68 $15.36 -17%
Save 19%
Active Aqua Grow Flow 3/4" Elbow Hardware Kit, pack of 6
In stock
$12.62 $15.58 -19%
Save 19%
Active Aqua Grow Flow 3/4" Tee Hardware Kit, pack of 6
In stock
$12.62 $15.58 -19%
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In stock
$12.60 $16.99 -26%
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