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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 These membranes are classified as
Gro Block Improved Small 3Inches GR4 w/ hole (3Inchesx3Inchesx2.6Inches) (8/strip- 48 strips per cs) 384 per case pH | ppm | EC | Instruments These membranes are classified as
$109.16
Description
These membranes are classified as TFC (Thin-Film Composite)
Rated for up to a 150-Watt bulb (E26)
3x3 Tray: 42
easy to clean and convenient to use
Supplied with quality probes and pH calibration solutions
Gro Block Improved Small 3Inches GR4 w/ hole (3Inchesx3Inchesx2.6Inches) (8/strip- 48 strips per cs) 384 per case pH | ppm | EC | Instruments These membranes are classified as
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