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Showing 157–168 of 177 results

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  HM Digital Replacement pH Sensor for HM-500 and HM-200

  $54.95
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  HM Digital pH 4.0 buffer solution – 20 packets of 20 ml

  $24.95
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  HM Digital pH 7.0 Buffer Solution – 20 packets of 20ml

  $24.95
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  HM Digital pH Electrode Storage Solution – 20 packets of 20ml

  $24.95
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  HM Digital pH Electrode Storage Solution – 60cc

  $6.95
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  The LED Grow Book by Christopher Sloper

  Rated 5.00 out of 5
  $19.95
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  Ushio HiLUX GRO Pro Plus DE HPS Lamp – 1000w

  $149.95
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  AUVL Grow Green DE HPS Lamp – 1000w

  $99.95
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  BLV DE Metal Halide Lamp – 1000w

  $149.95
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  Dimlux CMH Lamp – 315w, 3100K

  $74.95
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  Dimlux CMH Lamp – 315w, 4100K

  $74.95
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  Dimlux Communication Cable Splitter

  $7.50