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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 24
$24.00 $28.99 -17%
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In Stock: 120
$12.41 $14.99 -17%
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In Stock: 103
$9.22 $9.49 -3%
Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml
In Stock: 109
$13.34 $13.90 -4%
Milwaukee Instruments pH 7.01 Solution, 230 ml
In Stock: 269
$13.34 $13.90 -4%
AXEON Carbon 1252 Water Filtration System, 110V
In Stock: 2
$1,998.93 $2,756.95 -27%
AXEON Carbon 1665 Water Filtration System, 110V
In Stock: 1
$3,123.23 $4,307.60 -27%
AXEON HYDRO RO EZ-Twist Sediment and Carbon Cartridges, 3-pack
Out of stock
$124.20 $199.00 -38%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$25.93 $31.35 -17%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 51
$24.70 $31.35 -21%
EZ Clone 360-Degree Replacement Mister, pack of 50
In Stock: 171
$26.21 $30.88 -15%
Bloom Brothers Hydro Halo Water Ring 6" w/3 Leg Support
In Stock: 5532
$6.40 $9.99 -36%
Bloom Brothers Hydro Halo Water Ring 9" w/3 Leg Support
In Stock: 15950
$5.51 $10.99 -50%
Bloom Brothers Hydro Halo Water Ring 12" w/3 Leg Support
In Stock: 2443
$8.27 $11.99 -31%
Basket Drip Stake w/Cage: Pack of 100
Out of stock
$35.63 $43.04 -17%
Raindrip Pressure Compensating Drippers, 2 GPH, pack of 25
In Stock: 231
$18.19 $21.97 -17%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2593
$18.24 $22.04 -17%
GroStar GS3 EC Pen
In Stock: 101
$94.38 $113.99 -17%
GroStar GS3-E replacement EC electrode
In Stock: 100
$44.70 $53.99 -17%
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Out of stock
$208.38 $359.00 -42%
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