Water Usage while Cruising

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12 years 6 months ago #1926 by hayden
Water Usage while Cruising was created by hayden
Radeen and I have taken a close look at our water usage this year as we cruised from Miami to Long Island, south of Georgetown and back north. We left Miami on Feb 8th, 2013 and now it is March 19, 2013, so we have a good idea of our usage. We do NOT have a watermaker, and we cruise on an IP35 with a 90 gallon water tank. We carry no water jugs on deck, but we do have seven flexible five gallon jugs we use to bring water to the boat via dinghy when needed.

We filled up in Miami, Feb 8, and we got stuck for three days in West Bay New Providence. We had Jeff, our good friend and crew onboard, and by the time we reached Highbourne Cay, Feb 13, in the north Exumas, we needed to take on water. We took on 75 gallons at Highbourne Cay for $0.50/gallon. That was 6 days at 12.5 gallons/day or 4.16 gallons/person/day.

With this 75 gallons, we all three showered everyday, we washed the boat with fresh water, and we worked hard at conserving. We did NOT pre-wash dishes in saltwater. Still, this was a lot of water usage for cruising on 90 gallons.

We use a 5 gallon solar shower on deck with a extended hose passed down into the head. This allows for keeping the solar shower on deck and for showering in the head. A nice and civilized concept!

From Highbourne Cay, we pressed onto Georgetown, where we anchored out and continued to conserve. I would take the dinghy across the harbor, 1.1 nm, fill up 4-5 jugs and dinghy this water back to the boat where I would lift the jugs to the deck and pour them into the tank.

Overall, it was no big deal, and water was readily available nearly everywhere. We are really trying hard to NOT spend the money on a watermaker. We would rather spend it on other items.

Our longest run on our 90 gallon tank was when we departed Georgetown on March 7 for points north. We ended up in Warderick Wells, where there is NO WATER, and this is when we started to pre-wash dishes with a bucket of saltwater poured into the second sink bowl. It really does save water. It is also KEY to have a double bowl sink for this purpose. We ended up making our tank last until we sailed over to Eleuthera, on March 17! This was 11 days on 90 gallons for two people! The fact is.....we only took on 70 gallons once I jugged water in Eleuthera. So, 70 for 11 days equals 6.36 gallons/day for two of us or 3.18 gal/person/day. This has been our lowest water consumption to date.

Again, we showered every day, and washed the boat with fresh water! Showering may seem like a big deal to us, and it is. We like to be clean, yet we need to conserve water. The solar shower easily allows for HOT showers, a nice feature, and controlled and low water usage. We can make a 5 gallon bag of water, shower 4 people, but every one really needs to conserve for that! Every day, we fill it, and it lays on deck and heats up all day long. By 5-6 you get a shower, and then it is dinner time. This is our sequence.

So, with our usage now near 6 gallons per day, Radeen and I could run 15 days before we would need water. For us, there are not too many places 15 days away from water for us. Obviously, when we are on the coast, and not in da BaJammas, we usually get 10 gallons per day and keep the boat topped up. That way, you never have to jug 75 gallons as once. Trust me, if you do jug 75 gallons, you will notice it in your arms and shoulders the next day!!!!!

Yes, a watermaker would be nice, but at $4,000 to $5,000 dollars, plus maintenance, we can buy a lot of water. From Feb 8 to March 19, we have spent $37.50 on water. Is it really worth spending $5K on a watermaker to save this????? Not for us right now.

Hayden in Eleuthera, Bahamas, where WATER IS FREEEEEEEEE

PS:
If we did have a watermaker we could take endless showers and spray water into the air for evaporative cooling, now that would be really nice :-)

Hayden Cochran
IP35-165 Island Spirit
IslandSpirit35.blogspot.com
Rock Hall, MD

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12 years 6 months ago #1931 by devin
Replied by devin on topic Re: Water Usage while Cruising
Hayden that is very good water use, we are about the same on Moosetracks even though we have a water maker. Running every day or other day we make around 6 gal/hour. We have solar and wind on our 12V boat so the water maker is a 12V Spectra 200C. We pretty much do this to keep batteries topped off and use the water maker under motor if possible when power is good. We only have 1 through hull so it shares with the engine and has never had any issues.

Devin s/v Moosetracks IP45-20

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12 years 5 months ago #1970 by Delicia
Replied by Delicia on topic Re: Water Usage while Cruising
Hayden,
Good analysis of water usage. Absolutely agree that there is no economic justification for a watermaker, or much of anything else on the boat for that matter. It is all about what you can afford to buy and fix, and what works for you. We have been spending 6-8 months on board for the last 8 years, with most of the time in the Bahamas. We have done it with and without a watermaker. Here are a some observations from our experience.
1. The cruisers that we have talked with over the years claim to use about 8-14g per day. Those with water makers use around 12g/day
2. Water makers enhance domestic tranquility on the board. They also remove the constant close management of water supply.
3. Water makers use power and with them more attention needs to be devoted to power generation and the care and feeding of the watermaker.
4. Our experience is that with 500 watts of solar and a water maker things are pretty low stress.
5. Using sea water for domestic purposes in a location with a concentation of cruising boats with open heads. i.e. George Town, the Park, etc - doesn't seem like the best practice, open ocean is a different matter IMHO.


Thanks - George S/V Delicia
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