Collection: PH/EC, TDS METERS & SOULUTIONS - auto

  • Bluelab 2.77EC Conductivity Solution 500 ml
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    $19.99
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    $19.99
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  • PHOSPHORIC ACID 10% SOLUTION 8 OZ BOTTLE
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    $6.99
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    $6.99
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  • MALIC ACID 2 OZ
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    $3.99
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    $3.99
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  • pH Test Indicator 8 oz
    Regular price
    $11.99
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    $11.99
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  • Bluelab pH 7.0 Calibration Solution 500 ml
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    $17.99
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    $17.99
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  • Bluelab® 4.0 Calibration Solutions - 250ml
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    $10.99
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    $10.99
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  • Bluelab® 4.0 Calibration Solutions - 500ml
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    $22.99
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    $22.99
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  • Bluelab® Guardian Monitor Connect
    Regular price
    $473.99
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    $473.99
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  • BLUE LAB GUARDIAN MONITOR
    Regular price
    $399.99
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    $399.99
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  • General Hydroponics® pH Test Kit with vial
    Regular price
    $9.99
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    $9.99
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  • Bluelab® Pro Controller
    Regular price
    $999.99
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    $999.99
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  • BLUELAB PPM PEN
    Regular price
    $109.99
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    $109.99
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  • Bluelab Combo Plus Meter - Probe Included
    Regular price
    $360.99
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    $360.99
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