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masterg1_gw

Nutrient meter question

masterg1
16 years ago

I bought a ec/cf/tds meter but it did not come with calibration solution.Can i make my own and if so how or do i contact who i bought it from to see if they will send some.Also the price was great.45.00 on ebay.If anyone is interested i can post the link.

Thanks,

masterg1

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