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Hydroponics CANNA ADDITIVES PK 13/14 Plant Nutrients 5L Litre

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Having trouble testing run off PPM

Hey guys as the title says I'm having trouble getting a accurate reading because it's geting contaminated by the little bits of coco that come with the water I've tried to try skim some off the top with the syringe but even then you can see tiny little bits of it, currently in plastic pots gonna use a fabric one for flowering so should be alot eaiser untill then tho anyone got any idea's how I can get some clean water to test?


from Hydroponics / Aeroponics https://www.rollitup.org/t/having-trouble-testing-run-off-ppm.1031326/

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