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Go Back   SailNet Community > On Board > Gear & Maintenance > Water makers.
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Thread: Water makers. Reply to Thread
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Topic Review (Newest First)
03-09-2012 07:57 PM
Brent Swain
Re: Water makers.

Quote:
Originally Posted by knotted View Post
Brent:
Just wanted to confirm, that was 540 gallons per day? if so, your talents should be employed in manufacturing, and I'll partner in a heartbeat!
Yes, that is 540 gallons per day. Buy a copy of my book, then go ahead and manufacture them. I'd rather be sailing, and sell the odd book and set of plans. I'll soon have more money than I have ever had, or know how to spend. I need more work like a chicken needs Colonel Saunders. You go ahead.
03-08-2012 04:55 PM
tdw
Re: Water makers.

Quote:
Originally Posted by knotted View Post
Brent:
Just wanted to confirm, that was 540 gallons per day? if so, your talents should be employed in manufacturing, and I'll partner in a heartbeat!
Watermaker on the Womboat is 350 gallons a day (not sure if thats imperial or US to be honest but I think US).

Spectra already have 700 and 1000 gals per day models.

For Brent to build one that puts out 540 galls per day is pretty damned impressive in my book but its not exactly ground breaking output wise.
03-08-2012 12:29 PM
knotted
Re: Water makers.

Brent:
Just wanted to confirm, that was 540 gallons per day? if so, your talents should be employed in manufacturing, and I'll partner in a heartbeat!
03-07-2012 05:42 PM
Brent Swain
Re: Water makers.

I built my own 540 gallon per day watermaker, using a pressure washer pump, and building my own membrane housing . Cost me around $750. The same output from West Marine costs around $10K. My book tells you how to build it.
03-06-2012 11:37 PM
GaryHLucas
Re: Water makers.

Osmotic pressure is a function of the concentration of salts in the water. Those under cabinet RO units can remove salts at very low concentrations with household pressure, as found in well water, or city water. To remove salts at the concentrations found in seawater takes about 800 psi or more. We build waste water RO units. We sometimes need to use 2000 psi.

Gary H. Lucas
03-06-2012 03:54 PM
Pamlicotraveler
Re: Water makers.

It would be nice if it was a watermaker.....
03-06-2012 03:04 PM
stevensuf
Re: Water makers.

these are for domestic appliances and use mains water pressure, not much use on a boat.
03-06-2012 11:34 AM
dongreerps
Re: Water makers.

The reverse osmosis water purification system by Costco almost certainly does NOT have a pump, but rather depends upon domestic water supply pressure.
03-06-2012 10:51 AM
TQA
Re: Water makers.

Not going to remove salt so not a " WATERMAKER "
03-06-2012 10:48 AM
Faster
Re: Water makers.

Not familiar with it but my first thought is is it a 'purifier' or a 'desalinator'?... very different job description to clean up suspect tap water vs removing salt from sea water.. I suspect a Costco unit would simply be for purifying domestic fresh water.
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