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Cheffy
06-23-2007, 08:07 AM
Can anyone educate me on how to pH/EC test growing media? I read one set of instructions for one of the meters that said to mix 100ml distilled water with 50ml soil, let sit, filter the water, and then test the water directly. Would this apply to all meters (I would like to test with the hanna 9813-6).

Thanks!

David G.
06-27-2007, 04:28 PM
Yes, that should work with any brand of meter. Let the mixure sit for 15 to 20 minutes before filtering.