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Re: [APD] plant weights

>>Why not use plain steel washers and nuts. When they rust, they will
add iron to the substrate. I think I remember someone doing that before.<<

And what pray tell keeps the washers or nuts from just sliding right off the 
stems? And if you are lucky enough to actually find a washer with a small 
enough hole to fit snuggly onto three to five plant stems, it would cut thru 
the stems  in about 2  seconds,  or the weight of it would  break the stems 
in less time than that... of course I am not a scientist what do I know.

Robert Hudson

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