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Gro Block Improved Small 3Inches GR4 w/ hole (3Inchesx3Inchesx2.6Inches) (8/strip- 48 strips per cs) 384 per case pH | ppm | EC | Instruments Comes with 13' lamp cord

$109.16

Quantity
Description

Comes with 13' lamp cord

Black Ops filters have a built in flange and 2 pre-filters are included

Rated for up to a 150-Watt bulb (E26)

These membranes are classified as TFC (Thin-Film Composite)

Cyco Potash Plus (0-4-6) aids in achieving full

Gro Block Improved Small 3Inches GR4 w/ hole (3Inchesx3Inchesx2.6Inches) (8/strip- 48 strips per cs) 384 per case pH | ppm | EC | Instruments Comes with 13' lamp cord

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