I Don't Know if My PPM Meter is right...?

  • Thread starter GardenWeasel77
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GardenWeasel77

GardenWeasel77

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I added 6tsp of general hydroponic flora bloom and a tsp of cal mag.

PPM was coming out at 750... I was expecting something closer to 2400.

The chart gh gives on its website suggests no more than 3 tsp to get to around 1200 pm so I am really confused.
 
mancorn

mancorn

1,057
163
Swap out the battery. There is solution to calibrate your meter. Aquaman also has posts about making your own solution, cheap. So see if you can find those threads or rattle his cage.
 

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