Hobie bait tank priming issue

[SLYAKER]

Just got a brand new hobie tank and couldnt get it to pump or prime while on the water. Thought it might be cuz i installed the short intake tube for a PA14 so i took it home amd filled uo the sink to make it the best possible conditions to test it. Had the intake tube almost completely submerged amd still wont prime. I filled the tank with water so it was over the outlet of the pump and took 5+ mins to prime and start pumping amd still barely moved water... amyone else have this problem, ive heard iys an issue with the XL yank but not the small on

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