Pump Out Question

I think ice may very well work depending on the amount placed into the tank and the tanks size. I have never done this but I have an inspection cover on my holding tank and it's pretty devoid of solid buildup. I'm thinking that when people use ice there might be two actions happening one is the quick change in the tanks temperature and the other is the actual ice motion both might contribute to cleaning a tank.
I use a tank treatment that has uses enzymes to eat the sludge it is not a deodorizer.
Bill
 
Ice does float. ;)

Any "solids" get pretty well mixed up with the liquid when the boat is moving. Every time you flush the head, liquid dumps into the tank and stirs things around. When the boat moves, it's the same thing.

I think the only way solids would become a problem would be if you let the boat sit out of the water for a few months without emptying the tank.
 
quote:
Originally posted by In the know

quote:
Originally posted by PascalG

How do you know it works? Do you open access ports and sample the bottom?

Doesn't ice float? Unless you tank is a few inches tall or empty, then it s a waste of time.

Now, if you have the patience to feed ice cubes one by one in the pump out fitting when the tank is empty, then yes, the cubes have a chance to actual hit the bottom of the tank, otherwise it's a waste of time to fix a non problem

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Lets see. I have had stuck sensor probes giving flase positives. Droped ice in holding tank, and they worked fine.

I can also tell you from the dual flush system that the tank is cleaner when ice is used then when it is not.

I must be making it up though, because it must be an urban legend because Pascal says it is an urban legend, right?

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Ok so if the goal is to free up those reed sensor floats, I agree that ice may do the trick. Different issue... Although if the rods and floats are dirty, they will stick again

But explain how you put n a significant amount of ice in tank? One piece at a time down the pump out? You are a patient man...
 
Take a cooler, fill it with water about 75%, add a bag of ice and take the boat for a spin... The ice will never touch the bottom...
New if the cooler is empty and put in a bag of ice, then yes it will rub on the bottom so one can assume it may dislodge sludge, if any, in a holding.

Again, empty, not full on the way to a pump out.
 
Just to complicate things . After I pump out I drop one or two cascade gel packs down the deck fitting. Quick burst of someone else's hose makes sure the packets reach the tank. : ) I also occasionally pour cascade into the bowl . Add water swish it around with toilet brush then flush. 7 years with this boat and tank sides look good , Also haven't changed a duck bill yet.

Rob
 
I'd be worried the Cascade would reduce the good microbes that eat s&it in the tank Rob. But then again I like you rarely leave much in the holding tank for any period of time. This in itself probably helps your tank and mine to stay free of Buffalo chips.
I guess what I am trying to say if it works for your holding tank you probably should stay with that program.
There is nothing that can ruin time on a boat then a smelly semi clogged holding tank or sanitation hoses on a hot day.
Bill
 
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