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Active Aqua Chiller 3/4" Fitting Kit for AACH25, AACH25HP, AACH50 & AACH50HP
In Stock: 14
$9.24 $11.01 -16%
Active Aqua Chiller 1" Fitting Kit for AACH50 & AACH50HP
In Stock: 6
$11.45 $13.64 -16%
Active Aqua Chiller 1" Fitting Kit for AACH100 & AACH100HP
In Stock: 21
$15.86 $18.89 -16%
Cutting Edge Solutions pH Down, 1 qt, case of 12
In Stock: 31
$115.75 $167.88 -31%
Cutting Edge Solutions pH Down, 1 gal, case of 4
In Stock: 56
$93.74 $135.96 -31%
Cutting Edge Solutions pH Up, 1 qt, case of 12
In Stock: 29
$115.75 $167.88 -31%
Cutting Edge Solutions pH Up, 1 gal, case of 4
In Stock: 40
$93.74 $135.96 -31%
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%
GroStar GS1 pH Pen
In Stock: 287
$101.91 $115.99 -12%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 202
$150.35 $178.99 -16%
GroStar GS2 Soil pH Pen
In Stock: 143
$215.87 $256.99 -16%
GroStar GS1-E replacement pH electrode
In Stock: 101
$42.83 $50.99 -16%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 102
$152.87 $181.99 -16%
GroStar GS4-E replacement pH/EC combo electrode
In Stock: 88
$67.19 $79.99 -16%
GroStar pH Probe Maintanence Kit
In Stock: 89
$20.15 $23.99 -16%
HM Digital PH-80 pH/Temperature Meter
In Stock: 91
$39.09 $46.50 -16%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.34 $59.99 -46%
Active Air 2-Way Moisture/pH Meter
In Stock: 1094
$8.29 $11.84 -30%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 267
$28.85 $29.00 -1%
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