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Old August 26, 2019   #3
Worth1
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Join Date: Feb 2006
Location: Den of Drunken Fools
Posts: 38,539
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All you will get out of them is a reference point not a true lab reading.
But my cheap one worked for me and put me in the right direction and the plants exploded after soil adjustments.

I got made fun of here some time ago about it so I dont even talk about it much anymore and just do my own thing.
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