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(Diy) cara membuat venturi macro-micro bubble (gampang murmer)

Untuk: kolam ikan,udang,aquarium, hidroponik,dll. bahan : selang aquarium secukupnya tee selang aquarium x3 tee pvc 1/2″ (drat dalam) x1 lbow pvc 1/2″(drat …

source Nanobubbles

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