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64
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 45
$24.35 $28.99 -16%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 172
$24.32 $29.08 -16%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 67
$24.25 $31.50 -23%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 66
$24.14 $24.95 -3%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 70gph - Grounded Power Cord
In Stock: 23
$24.00 $32.99 -27%
HydroLogic Stealth-RO Quick Connect Float Valve - 1/4in QC
In Stock: 122
$23.90 $28.46 -16%
HydroLogic Evolution-RO 1000 & TALLBoy Quick Connect Float Valve - 3/8in QC
In Stock: 780
$23.90 $28.46 -16%
HydroLogic Evolution-RO Barbed Float Valve - 1/2in
In Stock: 295
$23.90 $28.46 -16%
Hydro Systems Replacement Parts | 1in x 3/4in NPT - #8010024N
Out of stock
$23.81
HM Digital TDS-3 Handheld TDS meter
In Stock: 18
$23.09 $33.99 -32%
Active Aqua Grow Flow Bottom-Draw Pump, 220 GPH
In Stock: 1784
$22.97 $27.35 -16%
Hydro Systems Dosage Piston #44 | #010044P
Out of stock
$22.96
Hydro Systems Dosage Piston | 2.5% - Poly White - #010-044P
Out of stock
$22.95
Dramm Plastic Syphonject w/External Check valve 12/CS
In Stock: 15
$22.62
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 49
$22.53 $29.26 -23%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 65gph - for larger Tabletop Fountains, Small Garden Fountains, Piped Statuary and Shallow Water Conditions
In Stock: 33
$22.51 $36.99 -39%
Active Aqua 1" Fill/Drain Fitting, pack of 10
In Stock: 304
$22.48 $26.55 -15%
Aptus PCS P-50 Pot Single
In Stock: 42
$22.27 $245.36 -91%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 44
$22.05 $29.99 -26%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 101
$21.95 $28.73 -24%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 377
$21.80 $28.73 -24%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 549
$21.80 $28.73 -24%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Blue
In Stock: 57
$21.62 $25.75 -16%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Black
In Stock: 51
$21.62 $25.75 -16%
EZ Clone Replacement Water Pump (Mag 1125), 1100 GPH
In Stock: 10
$21.11 $121.36 -83%
Senninger Pressure Regulator | Flow Range 0.1 - 8gpm - Preset Operating Pressure 20psi - Max Inlet Pressure 100psi - Inlet 3/4in NPT (F) - Outlet 3/4in NPT (F)
In Stock: 31
$21.03
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
In Stock: 1
$20.58 $24.50 -16%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 184
$20.47 $24.39 -16%
GroStar pH Probe Maintanence Kit
In Stock: 89
$20.15 $23.99 -16%
Active Aqua Air Pump, 2 Outlets, 3W, 7.8 L/min
In Stock: 889
$20.13 $23.96 -16%
Aquascape Statuary & Fountain Pump | 90gph Max Flow - 3ft Max Height - 4.3 Watts
In Stock: 8
$19.98 $25.98 -23%
EcoPlus Eco Air 2 Adjustable Air Pump - 126 GPH - 2 Outlet
In Stock: 148
$19.92 $22.85 -13%
1/2" ID Black Tubing 25'
In Stock: 498
$19.77 $23.55 -16%
1/4" OD Clear Tubing 100'
In Stock: 110
$19.73 $23.50 -16%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In Stock: 9
$19.56 $24.83 -21%
Raindrip Poly Tubing | 1/2in Diam x 100ft - Coiled
In Stock: 42
$19.04 $28.99 -34%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 35gph - for smaller Tabletop Fountains
In Stock: 23
$18.72 $29.99 -38%
EcoPlus ECO-185 Fixed Flow Submersible/Inline Pump - 158 GPH - 1.77 PSI
In Stock: 125
$18.52 $23.55 -21%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2431
$18.51 $22.04 -16%
Raindrip Pressure Compensating Drippers, 2 GPH, pack of 25
In Stock: 227
$18.45 $21.97 -16%
Active Aqua 1/2" Fill/Drain Fitting, pack of 10
In Stock: 692
$18.31 $21.83 -16%
OASE Vinyl Tubing | 1/2in Diam x 20ft L
Out of stock
$18.20 $25.99 -30%
OASE Pump Shield | 15in L x 15in W
In Stock: 8
$18.00 $24.99 -28%
Raindrip Fix It Kit | 1/4 inch
Out of stock
$17.67 $26.99 -35%
Dilution Solution Pressure Gauge, 0-100 PSI, 1/4" Mount
In Stock: 17
$17.64
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.57 $31.99 -45%
Raindrip Y Filter | 3/4 inch/Handles up to 720 GPH
In Stock: 9
$17.50 $26.99 -35%
Dramm One Touch Valve | 8gpm
In Stock: 413
$17.30
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.25 $49.95 -65%
EcoPlus Commercial Grade Chiller Fitting Kit - For EcoPlus Commercial Chillers
In Stock: 98
$17.12 $21.53 -20%
FloraFlex Tubing 1/4 Inch OD
In Stock: 101
$17.08 $21.59 -21%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 81
$17.05 $20.31 -16%
Active Aqua Submersible Water Pump, 160 GPH
In Stock: 540
$17.01 $22.10 -23%
Hydro Systems Replacement O-Ring | 0.487 x 0.693 x 0.103 - #212005V (DP)
Out of stock
$16.87
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 4639
$16.86 $22.75 -26%
P3 International Save a Drop Water Meter
In Stock: 4041
$16.76 $19.95 -16%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 67
$16.69 $19.99 -17%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 80
$16.69 $19.99 -17%
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: 170
$16.32 $21.37 -24%
Aquascape Statuary & Fountain Pump | 70gph Max Flow - 2ftft Max Height - 3 Watts
In Stock: 24
$15.99 $20.98 -24%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 93
$15.95 $18.99 -16%
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