![So I just bought a ppm / ec pen. Did some reading on the subject and I think I got it covered. Using the chart as given by Plagron. Any body got So I just bought a ppm / ec pen. Did some reading on the subject and I think I got it covered. Using the chart as given by Plagron. Any body got](https://external-preview.redd.it/F_UttsT3rnfIiXrNgrKZ-UIRhbnoCHSDfn7rU4m8TTo.jpg?auto=webp&s=b2731f625fe5d505feca0b47b0b7b455addd634a)
So I just bought a ppm / ec pen. Did some reading on the subject and I think I got it covered. Using the chart as given by Plagron. Any body got
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Plagron Cocos Brix 7L 1pc - coco substrate | Nutrients & substrates \ Soil, coco and others \ Coco substrates LINKS \ Cocos brix | GrowTent.pl
![Plagron Cocos Brix 7L 1pc - coco substrate | Nutrients & substrates \ Soil, coco and others \ Coco substrates LINKS \ Cocos brix | GrowTent.pl Plagron Cocos Brix 7L 1pc - coco substrate | Nutrients & substrates \ Soil, coco and others \ Coco substrates LINKS \ Cocos brix | GrowTent.pl](https://www.growtent.eu/eng_pl_Plagron-Cocos-Brix-7L-1pc-coco-substrate-973_1.png)