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64
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 36
$24.35 $28.99 -16%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 170
$24.32 $29.08 -16%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 3
$24.14 $24.95 -3%
Danner The Fountain Pump Statuary Pump with Barb Fittings | 70gph - Grounded Power Cord
In Stock: 35
$24.00 $32.99 -27%
HydroLogic Stealth-RO Quick Connect Float Valve - 1/4in QC
In Stock: 126
$23.90 $28.46 -16%
HydroLogic Evolution-RO 1000 & TALLBoy Quick Connect Float Valve - 3/8in QC
In Stock: 739
$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: 33
$23.42 $33.99 -31%
Active Aqua Grow Flow Bottom-Draw Pump, 220 GPH
In Stock: 1645
$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
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 49
$22.85 $29.26 -22%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 65gph - for larger Tabletop Fountains, Small Garden Fountains, Piped Statuary and Shallow Water Conditions
In Stock: 31
$22.83 $36.99 -38%
Aptus PCS P-50 Pot Single
In Stock: 41
$22.59 $245.36 -91%
Dramm Plastic Syphonject w/External Check valve 12/CS
In Stock: 10
$22.54 $22.62
Active Aqua 1" Fill/Drain Fitting, pack of 10
In Stock: 422
$22.48 $26.55 -15%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 146
$22.36 $29.99 -25%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 137
$22.27 $28.73 -22%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 509
$22.11 $28.73 -23%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 519
$22.11 $28.73 -23%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Blue
In Stock: 51
$21.62 $25.75 -16%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Black
In Stock: 48
$21.62 $25.75 -16%
EZ Clone Replacement Water Pump (Mag 1125), 1100 GPH
Out of stock
$21.41 $121.36 -82%
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: 500
$20.58 $24.50 -16%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 140
$20.47 $24.39 -16%
GroStar pH Probe Maintanence Kit
In Stock: 87
$20.15 $23.99 -16%
Active Aqua Air Pump, 2 Outlets, 3W, 7.8 L/min
In Stock: 809
$20.13 $23.96 -16%
EcoPlus Eco Air 2 Adjustable Air Pump - 126 GPH - 2 Outlet
In Stock: 156
$20.06 $24.22 -17%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In Stock: 8
$19.84 $24.83 -20%
Raindrip Poly Tubing | 1/2in Diam x 100ft - Coiled
In Stock: 43
$19.31 $28.99 -33%
1/2" ID Black Tubing 25'
In Stock: 395
$19.10 $23.55 -19%
1/4" OD Clear Tubing 100'
In Stock: 95
$19.06 $23.50 -19%
Danner Pondmaster Fountain-Mag Magnetic Drive Water Pump | 35gph - for smaller Tabletop Fountains
In Stock: 17
$18.99 $29.99 -37%
EcoPlus ECO-185 Fixed Flow Submersible/Inline Pump - 158 GPH - 1.77 PSI
In Stock: 107
$18.79 $24.96 -25%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2430
$18.51 $22.04 -16%
OASE Vinyl Tubing | 1/2in Diam x 20ft L
Out of stock
$18.46 $25.99 -29%
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: 694
$18.31 $21.83 -16%
OASE Pump Shield | 15in L x 15in W
In Stock: 8
$18.26 $24.99 -27%
Raindrip Fix It Kit | 1/4 inch
Out of stock
$17.92 $26.99 -34%
MICROBE-LIFT Super Dechlorinator Plus | 32oz
In Stock: 84
$17.82 $31.99 -44%
Raindrip Y Filter | 3/4 inch/Handles up to 720 GPH
In Stock: 9
$17.75 $26.99 -34%
Dilution Solution Pressure Gauge, 0-100 PSI, 1/4" Mount
In Stock: 17
$17.64
Central Coast Garden pH Up Solution | 1gal - 35% Potassium Hydroxide
In Stock: 17
$17.49 $49.95 -65%
EcoPlus Commercial Grade Chiller Fitting Kit - For EcoPlus Commercial Chillers
In Stock: 97
$17.37 $21.53 -19%
Dramm One Touch Valve | 8gpm
In Stock: 416
$17.32
FloraFlex Tubing 1/4 Inch OD
In Stock: 106
$17.32 $21.59 -20%
Active Aqua Submersible Water Pump, 160 GPH
In Stock: 253
$17.25 $22.10 -22%
General Hydroponics pH Control Kit - 4pc - 8oz pH UP, 8oz pH DOWN, 1oz Indicator, & Vial
In Stock: 4387
$17.10 $24.34 -30%
HydroLogic TALLBoy Poly-Spun Sediment Filter - 20in x 2.5in - 5 Micron - Single Use
In Stock: 68
$17.05 $20.31 -16%
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%
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