maintain water in the tanks.

dmunneke

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Should chemicals be added to holding tank water( potable ) to keep it from growing things ? I dont drink it anyway but I would like to keep it faily clean ?
 
usually no unless you have a problem in which case a few drops of bleach can be used (but check dosage first... I've never had to do it?)

when you fill the tank with city water there is usually bleach in the water so nothing else shoudl be needed.

using the water and refreshing it as often as possible is a good idea... dont' let water sit in there for months...
 
I have my tanks plumbed where I can fill them from inside the boat by turning a valve. I run new water in it for about 5 min. every week if I don't use it, if I use any I just refill. This also keeps the vent cleaned out.
 
My 2 cents: I've always filled with "city water" & winterized system between seasons. After 5 years with no problems my water system stopped flowing due to some sort of buildup in the tank. I had to clean my pump filter several times as well as manually drain the tank. After speaking with a tech at my marina, from this point on I will be adding a few cap fulls of bleach.
 
dmike, I think filtering the water would be a better preventive. It is probably hard water deposits or sediments which plugged up your pump filter. Bleach will not address that kind of problem.
 
further to what Flutter said; bleach reacts with aluminum. so if you have AL tanks it is not a good idea.
 
pascal and pde - have you guys ever heard of adding 'Efferdent' to the water tank? yes, as in denture cleaning tabs...a friend of mine at the marina said when they bought the boat that the previous owner had left the bottle half full on board and that is what he used it for!

Any truth to this?
 
It'll clean stains from the inside of your toilet bowl, just like it cleans false teeth (yes, it does work - not wonderfully, but it will work to an extent, if you drop 4 tablets into the toilet bowl and leave them in overnight - provided that there's water in the bowl). I have serious doubts however, that it'll have any effect whatsoever on the inside of the water tank. I suspect there was a bit of a misunderstanding on someone's part.
 
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