Testing pH using 150mm syringe

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Mark D
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    • Just throwing useless info out there for the masses who haven't seen this use for a syringe.  Meter fits perfect in this tube

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      • Some more ph meter maintenance.  You can use the 6.86ph solution to store the tip in and it will last longer. I just learned this little tid-bit. I rarely use the ph meter any more because I have pretty much learned what nutrients do what to the ph, and haven't changed anything in a while.

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        • I think thats what they use when they ship the blue lab doser 

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        Info
        Category:
        Grow equipment
        Created:
        Updated:
        EXIF
        Camera:
        Focal length: 220/100mm
        Aperture: f/2.2
        Exposure time: 1/222s
        ISO: 50