Make sure all the tanks are seated properly and everything is clamped down. I found that if everything isn't sealed it won't suck. Also be sure the red filter is clear of debris. You can hear the difference when everything is clamped and sealed. Hope this helps.
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Make sure all the tanks are seated properly and everything is clamped down. I found that if everything isn't sealed it won't suck. Also be sure the red filter is clear of debris. You can hear the difference when everything is clamped and sealed. Hope this helps.