He draws liquid out from 16 inches to 3 inches (reply #11). If it were completely a mush problem well above the intake on the check valve, wouldn't the symptom be that he could not suck the level down by 13 inches in 15 minutes? I am suspecting the mush is pretty much in the bottom few inches, and that the water above is stratified with very little salt.He does not have a bridge, he has a mush problem.
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