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

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Ogygen with battery

I saw somewhere guys were super oxygenating water with a battery, some screen and wires.

Anyone send me instructions on how to build one of those?


from Hydroponics / Aeroponics https://www.rollitup.org/t/ogygen-with-battery.1031688/

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