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Annie M. 02-24-2014 12:44 PM

Sea Salt

nissanneill 02-24-2014 01:31 PM

Re: Sea Salt
Great idea,
do you just get a container of sea water when down at the beach and place it in a large flat tray when the oven is too cool to bake?
If so, it makes the most of the residual heat.


UtahBeehiver 02-24-2014 04:50 PM

Re: Sea Salt
Amazing that much salt from 5 gallons of sea water. Very nice. I have the Great Salt Lake here is Utah but I do not think I would trust the water out there to be very pure............I guess I will continue to buy my sea salt at Costco.

mmissler 02-24-2014 05:01 PM

Re: Sea Salt
Never thought of this, great idea. Near my wife's hometown in Thailand they "mine" sea salt and sell along the road. Like Annie said it's full of water when you buy a bag of it. Not sure of the price after drying it out but I expect it to work out to somewhere around 25 cents per pound. Sea salt in the store, "brand name" is fairly expensive here..

mmissler 02-24-2014 10:39 PM

Re: Sea Salt
Shhhh....if I tell my wife she will be using my oven non- stop for her salt business :eek:

I am a probably a couple of months away from trying the salt, it will be right up there wth the first pizza.


jeeppiper 02-25-2014 01:18 PM

Re: Sea Salt
Very Cool idea! I live near the Jersey Shore and I'll bet I can get a lot more than just sea-salt out of that water.....

nissanneill 02-26-2014 12:45 AM

Re: Sea Salt
We here in Adelaide, South Australia have been forced to accept a very expensive "desalination plant" at around Aus$1,800,000,000.00, yes $1.8billion dollars!!
It is "insurance for those drought years when we will need the very expensive water, how ere, getting back to the theme of this thread, it puts back into the gulf thousands of tons of sea salt as they extract around 70% of the water.
Wouldn't a logical person think of removing most or all of the water to on sell the salt? A great source of a valued commodity.
But who understands the mentality of the politicians who brazenly waste our hard earned taxes.


wotavidone 02-26-2014 03:48 AM

Re: Sea Salt
Seawater, in Spencer Gulf, is about 38 grams of total dissolved salts per litre,
That's 38 kg per kilolitre. That's 38 tonnes per Megalitre.
To do the 200 Megalitre per day desal plant for the Olympic Dam expansion, they were looking at dealing with over 7500t of salt per day.

That's a lot of pizzas.

I reckon the ocean off Adelaide is about 35 g/L.
I'm not sure how big the Adelaide desal plant is, but I do think the salt involved would sorta flood the market.

Not to mention putting Cheetham Salt (north of Ardrossan) outa business.

Which brings me to the question I was meaning to post in the first place. Seawater isn't just sodium chloride. It's got other stuff in it.
At Cheetham Salt, they manage the evaporation so as to precipitate the other stuff separately.
From memory, as you evaporate the water, the calcium precipitates first, leaving a brine with mostly the sodium chloride. This is decanted off and evaporated in another pond, leaving a precipitate of salt when the bitterns are run off.
Do people do that when they make their own? Or do they just precvipitate the whole lot?

wotavidone 02-26-2014 01:56 PM

Re: Sea Salt

Originally Posted by Annie M. (Post 170055)
When you make solar or evaporated salt there is indeed a profile where various elements do precipitate at different brine concentrations

So if you see needles of gypsum (calcium sulphate) do you just break em up a bit and keep evaporating?
I'm going to try this, but the missus has already laid down the law and said I must drive down the coast and gather my seawater from an area far away from heavy industry, so it might be a while.

nissanneill 02-26-2014 03:08 PM

Re: Sea Salt
Yes, I agree, I don't that sea water from the Port River or the North Arm would be desirable. Taste ???? impurities ???? contaminates ???? but really, in such small quantities for a pizza, (as distinct from commercial quantities) would they really be dangerous?
Gee, I have had a lot of things ingested over my years and experiences that would be deemed unhealthy (e.g. working with asbestos, welding fumes, severe dirt/dust conditions, screen printing solvent/ink fumes etc.), but touch wood, at this stage seems to have unaffected me.


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