water tank buildup

[smaconf@msn.com]

I have very little (if any) water flow through my sink faucets in the boat. I first believed I might have water pressure problems or possible calcium, etc. buildup in the water lines. This was not the case.

Finally realized that the problem was in the water tank itself with only a trickle of water from the tank opening at the bottom to the water lines. Calcium, sludge or whatever is blocking the tank out-flow. If I try to open the flow with a wire or coat hanger, the water flows momentarily and then blocks up again.

Does anyone know of any liquid I can pour into the tank that might break up/dissolve the solid materials preventing water flow ???.

Any advice would be appreciated and thanks for your time.

Stan
1985 Hunter 40

[sailandoar]

Vinegar is cheap, easy, and a good non-toxic start.

You might try it on some sample chunks of the CRUD that you are getting from the tank. Stronger acids or a commercial scale remover would be the next step I believe.

[krguarino]

A cup of Calgon and 10 gallons of water - let sit overnight will break down calcium - then flush with fresh water.