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Accessories (14)
Grow Mediums / Soil Amendments (12)
Fertilizer / Nutrients (362)
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pH (7)
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pH / PPM / TDS / Etc.
pH / PPM / TDS / Etc.
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pH Test Indicator
Score: 3.07 (votes: 1113)
$14.95
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pH 4 Buffer
Score: 3.07 (votes: 1422)
$11.99
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pH 7 Buffer
Score: 3.03 (votes: 1203)
$11.99
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PPM 1000 Buffer
Score: 3.17 (votes: 1001)
$11.99
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PPM 1400 Buffer
Score: 3.13 (votes: 1043)
$11.99
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pH Calibration Solution Bluelab
Score: 2.91 (votes: 1025)
$14.95
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2.27 EC Buffer Solution
Score: 2.90 (votes: 1500)
$14.95
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Bluelab Combo Meter
Score: 3.02 (votes: 1493)
$289.95
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Nutridip pH Meter
Score: 3.01 (votes: 1293)
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$99.99
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Nutridip Growboss
Score: 3.12 (votes: 1404)
$299.99
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Nutridip PPM Meter
Score: 3.18 (votes: 1254)
$109.99
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Blue Lab PPM/TDS pen
Score: 2.88 (votes: 1179)
$119.99
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Nutridip Growboss
Score: 3.12 (votes: 1404)
$299.99
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