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Rolling Out a Retrievable Lay-Flat Irrigation Sub-Main
Maintenance-free gel electrolyte: A cloth junction and polymer gel
The EC/TDS conversion factor is user selectable as is the temperature compensation coefficient (ß)
Reads straight out of the substrate: The stainless penetration probe removes the slurry step
Water Pump Grade: 450 gph
Windowsill Heat Mat 7.3W 120V (3 inch x 20 inch) Canna Rolling Out a Retrievable Lay-FlatHydrofarm's windowsill heat mat is perfect for veteran growers, beginners, and children too. It is the perfect size for small growing spaces, and improves germination by warming the root area 10 20 F over ambient temperature. By warming the roots you increase your growing success as this mat will maintain a controlled temperature all season long. 3" x 20" UL listed Power cord included
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