I noticed my freshwater tank was very slow to fill up, and would only go to maybe 60% capacity. The vent at the thru hull was plugged, and there was water trapped in the vent hose at a low spot that was about the same height of the middle of the tank. My tank also looked like a balloon because air could not get out. I unplugged vent, and rerouted the hose so the lowest spot did not go any lower than the vent hole in the tank. Now it fills up all the way to the top of the vent hole.

The clear vent tube used to route down alongside the white filler tube. The installers that put these boats together did not understand how this works.
Attached files
The clear vent tube used to route down alongside the white filler tube. The installers that put these boats together did not understand how this works.
Attached files
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