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32
Dramm #74 Full Flow Shut-Off Valve | 18gpm Ergonomic Grip
In Stock: 407
$24.74
Dramm OneTouch High-Flow Valve | 16gpm
In Stock: 113
$24.60
Hanna General-Purpose Cleaning Solution | 230ml
In Stock: 4
$24.47 $26.59 -8%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 24
$24.35 $28.99 -16%
Bluelab Meter Carrying Case | Meter Not Included
In Stock: 176
$24.32 $29.08 -16%
Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 67
$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: 119
$23.90 $28.46 -16%
HydroLogic Evolution-RO 1000 & TALLBoy Quick Connect Float Valve - 3/8in QC
In Stock: 785
$23.90 $28.46 -16%
HydroLogic Evolution-RO Barbed Float Valve - 1/2in
In Stock: 298
$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: 4
$23.09 $33.99 -32%
Active Aqua Grow Flow Bottom-Draw Pump, 220 GPH
In Stock: 1795
$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
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: 120
$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: 116
$22.05 $29.99 -26%
Biobizz Bio-PH- PH Regulator 1L pH DOWN
In Stock: 67
$22.05 $31.50 -30%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 137
$21.95 $28.73 -24%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 437
$21.80 $28.73 -24%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 477
$21.80 $28.73 -24%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Blue
In Stock: 58
$21.62 $25.75 -16%
HydroLogic Poly Tubing - 50ft Roll - 3/8in - Black
In Stock: 52
$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%
Biobizz Bio-PH+ PH Regulator 1L pH UP
In Stock: 55
$20.48 $29.26 -30%
HydroLogic Stealth-RO and smallBoy Green Coconut Carbon Filter - 1 GPM - 10 Micron Filtration
In Stock: 206
$20.47 $24.39 -16%
GroStar pH Probe Maintanence Kit
In Stock: 89
$20.15 $23.99 -16%
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