Stop using airstones!! Use a $2 venturi instead! Saluda Grade Farm 6:08 1 year ago 752 859 Далее Скачать
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Hydroponic venturi aeration, see description for link to full video Saluda Grade Farm 0:57 1 year ago 4 510 Далее Скачать
mega oxygen aeration circulation (how to make)for pond mr1superb 11:21 8 years ago 1 256 907 Далее Скачать
How to use a Venturi fertilizer to quickly absorb & inject fertilizer #shorts #venturi #fertilizer Irrigation System 0:21 1 year ago 10 383 Далее Скачать
He builds and sells pulsejet-powered machines 😳 #shorts SportsNation 0:13 1 year ago 10 127 199 Далее Скачать
