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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In Stock: 17
$24.35 $28.99 -16%
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In Stock: 49
$12.59 $14.99 -16%
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In Stock: 41
$9.56
Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml
In Stock: 24
$13.83 $13.90 -1%
Milwaukee Instruments pH 7.01 Solution, 230 ml
In Stock: 80
$13.83 $13.90 -1%
AXEON Carbon 1252 Water Filtration System, 110V
In Stock: 1
$2,027.90 $2,756.95 -26%
AXEON Carbon 1665 Water Filtration System, 110V
In Stock: 1
$3,168.49 $4,307.60 -26%
AXEON HYDRO RO EZ-Twist Sediment and Carbon Cartridges, 3-pack
Out of stock
$126.00 $199.00 -37%
AXEON SDF-45-2005 Sediment Filter 4.5" x 20"
Out of stock
$26.31 $31.35 -16%
AXEON R1 Series Sediment Filter, 5 Micron
In Stock: 35
$25.06 $31.35 -20%
EZ Clone 360-Degree Replacement Mister, pack of 50
In Stock: 176
$26.59 $30.88 -14%
Bloom Brothers Hydro Halo Water Ring 6" w/3 Leg Support
In Stock: 4975
$6.50 $9.99 -35%
Bloom Brothers Hydro Halo Water Ring 9" w/3 Leg Support
In Stock: 1668
$5.59 $10.99 -49%
Bloom Brothers Hydro Halo Water Ring 12" w/3 Leg Support
In Stock: 1888
$8.39 $11.99 -30%
Basket Drip Stake w/Cage: Pack of 100
Out of stock
$36.15 $43.04 -16%
Raindrip Pressure Compensating Drippers, 2 GPH, pack of 25
In Stock: 188
$18.45 $21.97 -16%
oxyCLONE oxyCERTS - 1 7/8", Blue, pack of 20
In Stock: 2349
$18.51 $22.04 -16%
GroStar GS3 EC Pen
In Stock: 51
$95.75 $113.99 -16%
GroStar GS3-E replacement EC electrode
In Stock: 53
$45.35 $53.99 -16%
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Out of stock
$75.25 $359.00 -79%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 21
$36.08 $42.95 -16%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.99 $49.99 -16%
HM Digital TDS-3 Handheld TDS meter
In Stock: 2
$23.09 $33.99 -32%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In Stock: 74
$90.99 $95.00 -4%
Active Aqua 1" Straight Connector, pack of 10
In Stock: 198
$7.95 $11.36 -30%
Active Aqua 1/2" Straight Connector, pack of 10
In Stock: 250
$3.91 $3.99 -2%
Active Aqua 3/4" Straight Connector, pack of 10
In Stock: 105
$6.34 $9.02 -30%
Active Aqua 1/2" Fill/Drain Fitting, pack of 10
In Stock: 663
$18.31 $21.83 -16%
Active Aqua 3/4" Fill/Drain Fitting, pack of 10
Out of stock
$20.58 $24.50 -16%
Active Aqua 1" Fill/Drain Fitting, pack of 10
In Stock: 302
$22.48 $26.55 -15%
Active Aqua Extension Fitting, 1", pack of 10
In Stock: 406
$5.85 $6.96 -16%
Active Aqua Screen Fitting, 1", pack of 10
In Stock: 313
$6.08 $7.23 -16%
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