What’s in your water tank!When you turn your boat taps on, is there a funny smell? Does your water have a ‘tang’ to it when sampled?
Is this your boat, then read on!
The biggest problem is frequently the PVC hose lines leading to the water tank. Your pipes should still be clear in the bilges, if they are opaque or black, you have a problem. These pipes are really hard to clean; I cleaned what I could of the shorter hoses with a long handled bottle brush. The longer hoses I removed and cleaned with a heavy solution of Bicarbonate of soda and vinegar, three 200g containers of Bicarbonate of soda and several bottles of vinegar, purchased from a convenience store or online http://compare.ebay.co.uk/like/360533575947?var=gv<yp=AllFixedPriceItemTypes&var=sbar&_lwgsi=y&cbt=y&device=c&adtype=pla&crdt=0&ff3=1&ff11=ICEP3.0.0&ff12=67&ff13=80&ff14=65
You will then need to flush your water tank out three or four times through all the taps, to remove the chloride. On the last wash out, add a large quantity of white vinegar ( a few bottles) to remove the smell of the bleach. Wash this through the next day.
Be careful with vinyl water tanks; make sure that you do not leave the bleach solution in for too long, otherwise you will get pin prick leak damage to the lining and damaged seals. Also you need to move the bag about when it is only half full to remove any algae from the lining, rinsing through thoroughly, otherwise the algae that has come away from the lining will continue to come through your pipes. ( I ruined our water tank by putting in a too strong solution of chemicals and leaving them in for the winter – foolish and expensive new boat owner error!)
I gained access to my vinyl water tank from the inlet hose fixings. But before I even undid the hoses we cleaned the top of the water tanks thoroughly then I pushed a clear hose into the tank and hovered/sucked up the small amount of debris in the bottom of my tank using a syphon. This debris can be flakes of paint, algae, or mud deposits, all adding that certain unwelcome flavor to your water supply. This process involved holding a torch with my teeth, the vinyl water tank with one hand and the hose with another hand, whilst my friend pumped the syphon…all very tricky! But very satisfying when you empty the container into the sink and see all the yuk!
Make sure that the O-ring in your deck water fill cap is in good condition. You don’t want water leaking in from alternative sources.
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I hope you enjoyed reading the article on water tanks and that it has been of some assistance to you.
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