[C320-list] Water Tank Gunk

[Gary Magnuson]

Thanks Brad, now I don't feel so alone!!!
Gary

On 6/15/2012 10:02 PM, Brad Kuether wrote:
> In the owners manual it talks about how to "shock" the tanks with 
> clorine/water solution, and then sweeten it with vinegar.
>
> I left the mixture in for half a day, and then pumped it out.  I had 
> to clean the screen  A LOT while pumping water through the system.  
> (10-12 times)
>
> I just kept moving water through until it became really light.  I 
> suspect there is more in there but its good for now.
>
> Its a huge pain, but you have to do it....  Otherwise you will 
> continue to clog, see black stuff in the screen, and have skanky water.
>
> -Brad, Mary, Monica, and Jarod
> "Independence"
> 2004 Catalina 320 Hull 1006
> Middle River, MD
>
>
> ----- Original Message ----- From: "Gary Magnuson" 
> <gary.magnuson at frontier.com>
> To: <C320-List at Catalina320.com>
> Sent: Friday, June 15, 2012 10:16 PM
> Subject: [C320-list] Water Tank Gunk
>
>
>> When I flushed the RV antifreeze from my water tanks last week, it 
>> took several cycles of adding some water, pumping down, then strainer 
>> cleaning to remove black sludge from both the bow and stern tanks.  
>> The anti freeze in the bilge, also looked like a science project, 
>> with small white cultures floating around.  Both tanks now have a 
>> pint of Clorox and full to the brim, while she sits in her slip for a 
>> week or so.  When we get back, I will flush and rinse to get the 
>> chlorine smell out.   Anyone had similar experience or different 
>> solutions?  Some one suggested flushing with Hydrogen Peroxide, 
>> instead of Clorox.   I have considered using a solution of algicide 
>> from my pool chemicals, but not sure if it would be safe to brush 
>> teeth with later, or hazardous to the marine life since it has the 
>> warning on the label. The pool calls for two oz:10,000 gal of 
>> water.   In the storage areas under the seats in the main saloon, we 
>> managed to spray them with Superclean and it removed all the mildew 
>> very easily. The area around the batteries and holding tank is 
>> another story. I feel like a pressure washer would be easier.   Any 
>> suggestions for closing the boat in the fall, and spraying the 
>> storage surfaces with something like Lysol to stop the growth all 
>> together??
>>
>> Thanks,
>>
>> Gary Magnuson
>> Bayfield, WI.
>> Time A Weigh
>> 1995 320 # 205
>> -- 
>> Gary Magnuson _/) PO Box 55 Hudson, IL 61748
>>
>
>