scotty333
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Guys
I’ve just set up my orp meter and I’ve got the probe in the weir where it’s dark and has steady flow over it
Trouble is , the readings depending on how I hold the unit jump around erratically
Any ideas?
I’ve just set up my orp meter and I’ve got the probe in the weir where it’s dark and has steady flow over it
Trouble is , the readings depending on how I hold the unit jump around erratically
Any ideas?
