An approach whereby seawater is forced at high pressure through a semi permeable membrane that allows the passage of water molecules but not salt organic material or bacteria.
Marine water maker diy.
The parts are all commonplace and easy to obtain from most marine hardware suppliers.
Sea water is pumped at high pressure about 800psi against a semipermeable membrane.
Maybe there are some serviceable parts but i don t think so.
Drinking water has less than 500 tds.
Nice post here alex the water maker here on panacea was bunk when i bought it.
These pumps have to do the same thing push a lot of water through filters that can get clogged up with marine growth.
Panacea is set up with a step on each side.
I chose the blueline 70 hd external water pump see figure 3 which will provide about 12psi at 4 gallons per minute.
Salt water low pressure manifold allows multiple taps from one seacock 1 2 pvc schedule 40 pipe fittings and valves in salt water fresh water flush out water maker feed refrig deck wash etc shut off valve bleed valve 25 hardware stores.
Then my boating friend stan heirshberg suggested i use pumps that circulate water in large aquariums.
Diy the world s cheapest watermaker.
All modern marine watermakers use the reverse osmosis ro principle to produce pure potable water from seawater.
It is really quite a simple process.
Watermakers make fresh water from saltwater through a process known as reverse osmosis desalination.
The commercial variety range in price from approximately us 3 500 to us 11 000 for a water production rate of 40 140 litres an hour.