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Old 08-31-2013, 10:25 AM   #1
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Water tank levels

We have two water tanks, neither one has any kind of level indicator. I was thinking of either putting in sight glasses or a simpler solution would be to put in a water meter to measure total flow.

Anybody gone the water meter route?

Bob
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Old 08-31-2013, 11:38 AM   #2
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I have been going through the same process and I am going to try a water flow meter directly passed the fresh water pump.

Here is a link to the page that I think would work best.

Good luck
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Old 08-31-2013, 12:12 PM   #3
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Took a brief look. Sure can't beat the price. Wonder about the accuracy though. The ones I was looking at are about $70. They have a mechanical totalizer with no reset. They also have the same version with a contact output for about $90. Would need a counter to go with that so the total price is quite a bit higher.

watermeters.com

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Old 08-31-2013, 02:35 PM   #4
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Quote:
Originally Posted by BobH View Post
We have two water tanks, neither one has any kind of level indicator.
If it's just a matter of knowing what level the tank is at, there are numerous ways to do that. Here are two.

Profile (A lot less money, fool proof and super easy install.)

Tank tender (More expensive but foo proof)



https://www.google.com/search?q=Tank...KOSJiALWrYHIBg
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Old 08-31-2013, 05:25 PM   #5
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I've looked at the Tank Tender. Very simple device but I think their price is outrageous. the Solo device does not work on metal tanks.

A water meter seems like the simplest thing to install. I know we hold 225 gallons, so if I can monitor the usage I should know what's left without having to worry about tank shape.

Haven't decided yet, still looking. I think I can build a Tank Tender device for less than $100, low pressure gauge, squeeze bulb and some tubing. But then I would have to cut an opening into the tank and all of that. The water meter I just put into the line coming from the tanks and I'm done.

Bob
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Old 08-31-2013, 05:26 PM   #6
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I may look at the Solo device for our holding tank. Although I guess a big enough flow meter would also work. Just kidding.

Bob
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Old 08-31-2013, 06:08 PM   #7
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You're going to hate this but I use a dip stick... After six years I just about know our fresh water usage over several days down to the gallon. I've thought about different devices through the years but always talk myself out of installing them. Just another electrical thingy to add to the dash...
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Old 08-31-2013, 06:37 PM   #8
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Nothing wrong with that, except I would have to lift the bed every time I wanted to check. On our sailboat we used about 10 gal/day so we could go about two weeks with our 150 gal. On that boat I installed a sight tube which was very convenient to check because all three tanks came together under the galley sink to a three valve manifold.

We've only run on the tanks on this boat one time and seemed to have run out in about 5 days from a 150 gal tank, not good. So the thinking is that the flow meter is relatively easy to install, it's relatively cheap (~$30) and should give us a heads up on water usage.

On our second cruise with the sailboat I had built a watermaker so maybe we got a little careless with our water consumption.

Bob
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Old 08-31-2013, 07:55 PM   #9
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sight tubes and I can see the water to see if it's changing color, developing floaties, etc.

access panel at foot of the bed.
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Old 08-31-2013, 08:22 PM   #10
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I will let you know how that how that flow gauge works, although it will be a few weeks before that item comes up on my to-do list.

My main concern is that I am installing one of those new fresh water 4.5GPM adjustable flow pumps that allows the removal of my accumulator tank.

I have a water hammer happening as the current pump tops up the accumulator and these new pumps are meant to eliminate that banging and will adjust to having multiple faucets open at the same time.

Consequently I am not sure how the flow meter will work with the adjustable flow pump at low flow, but for $35.00 it is worth the risk.

We carry 425 gallons of water in two tanks under the master berth forward along the keel but like most I dont want to lift up the berth and remove a panel to check the level on the sight tube.
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Old 08-31-2013, 08:30 PM   #11
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My access is a door that opens to the sights gauges...no lifting/moving....

Water meter sounds interesting...will be interesting how accurate it is.
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Old 08-31-2013, 08:59 PM   #12
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I may look at the Solo device for our holding tank. Although I guess a big enough flow meter would also work. Just kidding.
Bob
Beats an inspection port on top and sticking your arm in.
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Old 09-07-2013, 05:09 AM   #13
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You may also want to look at the "Weka" gauges. Very reasonably priced and very accurate. I have had them on my boat for many years and they never give me a problem.

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Old 09-07-2013, 06:51 AM   #14
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With 2 tanks (60G each) we simply run one dry , switch over and take on water at the next stop.

Folks that prefer to anchor out using the AICW will find most fuel docks deserted between 10-11AM and about 1400-1500 in OK weather.

That is the ideal time to fuel, water , shop and hit the laundry !
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Old 09-07-2013, 07:44 AM   #15
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My access is a door that opens to the sights gauges...no lifting/moving....

.
Yes that's one of the nice features we have
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Old 09-07-2013, 09:05 AM   #16
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Why not a valved tee in a convenient location ahead of the pump. A flexible plumbed line above the water tank level - marked for full tank. Open valve wait a minute - there is your level. Close valve and drain the line. About $20.00 maybe.

I'm with FF - we have three 60 gal tanks. At least one held in reserve for water.

Dip stick for fuel tanks.

Light above the plastic holding tank.

Safe, simple, and cheap.
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Old 09-07-2013, 09:32 AM   #17
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Why not a valved tee in a convenient location ahead of the pump. A flexible plumbed line above the water tank level - marked for full tank. Open valve wait a minute - there is your level. Close valve and drain the line. About $20.00 maybe.

.
That is a really easy, 100% accurate solution.

Great post!
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Old 09-07-2013, 09:52 AM   #18
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That's what we did on the sailboat. The tube was under the galley sink, very convenient. On this boat it would have to be in the engine room, not so convenient.

Bob
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Old 09-07-2013, 12:16 PM   #19
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Clear plastic must be located in a light free location , or green stuff grows in most water.
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Old 09-07-2013, 02:29 PM   #20
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We have sight tubes on our water tanks, but when we were looking for a monitoring system for our stainless steel head tank, we checked out the Gobius system. It was reasonably priced and having installed it two? years ago, can say that it works very well... and great customer support too! They have systems for fuel, water and waste tanks.
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