gjhunter01 Posted November 6, 2020 Report Share Posted November 6, 2020 (edited) 6 hours ago, Ray,IN said: The only way to drain a water tank dry is for the drain to exit in the tank bottom and the RV level, if the drain is in the sidewall there will always be some water remaining. I reworked my fresh water tank by adding a 2X4 board and sloping plywood floor on the far end of the tank, opposite the drain. With the drain valve open on travel days, the tank gets totally empty. Edited November 6, 2020 by gjhunter01 Quote Link to comment Share on other sites More sharing options...
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