Could it be a watermaker?

Carefull that the same basic technology is used for "potabilizers" (i.e. to make potable a suspect water source) as well as for "watermakers" (i.e. to make potable a "SALTY" water). The latter are much more demanding and far more expensive. The one you're looking at seems to belong to the first category.
 
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'TDS under 1000 ppm recommended'.

Total Dissolved Solids in seawater is rather greater at 30-40,000ppm.

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Now that's what I call a good answer; clear , succinct and authorative. Cheers mate /forums/images/graemlins/cool.gif
 
A pressure washer pump from a portable presure washer, connected to a reverse osmoisis membrane with the addition of a needle valve ...that's it. You now have a reverse osmosis watermaker. No magic just off the shelf parts. If the pump is rated at 1000 psi then it will move the seawaer through the membrane with ease and make copious quantities of potable water. If driven from the engine then there is no need for elecvtric power. This is PBO !
 
There's a possible way round the issue with TDS, and that is to install a pre-filter (either cartridge or element-replaceable) upstream of the supply side of this eBay system.

Plumb Centre have advice and components.


? <span style="color:blue"> Any chance we could get PBO to set up the rig and report on it ? </span>
 
Personally I use Bendroflumethiazide tablets, works a treat all the water you need.
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Ummmm ! I recall some issues with the medication.

In addition to [...] diuresis, overdosage of bendroflumethiazide may produce varying degrees of lethargy which may progress to coma with minimal depression of respiration and cardiovascular function and without significant serum electrolyte changes or dehydration. [...] Gastrointestinal irritation may occur. [...] serum electrolyte changes may occur, especially in patients with impaired renal function.

Why not work to a standard water filtration / cleaning model, rather than one reliant on chemical dosing, which may impact the marine environment (vide oestrogen and female characteristics in river life) ?
 
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