I used to use bromine, but it irritated my skin. I switched to a product called Clearwater Blue. Its active ingredient is copper sulphate. I add a cap full every week. It keeps the water clear for a couple of months and is gentle on skin. Highly recommend it. Available from Spa Depot.
Jonathan Hill, senior solar applications engineer 530-559-3781 solar...@gmail.com > On Mar 3, 2015, at 3:33 PM, William Miller <will...@millersolar.com> wrote: > > Ray: > > Nothing is more civilized than heated flush water! > > William > > > > On Mar 3, 2015, at 10:30 AM, Ray Walters <r...@solarray.com > <mailto:r...@solarray.com>> wrote: > >> I think the jet tub is the better way to go for off grid. You are only >> heating the water and running the circ pumps a few hours/ week, and as Bill >> mentioned: no chemicals. >> I've tried all of the choices, and while hot water alone is nice, having the >> massage bubblers is definitely better. Not having chemicals and/ or nasty >> recirculated bacteria is also much better than regular hot tubs. Off grid >> folks don't have to do with out modern conveniences, instead they can do it >> even better. >> If you wanted to get savvy, you could recycle the water after to a grey >> water cistern dedicated for toilet flushing and irrigation. >> R.Ray Walters >> CTO, Solarray, Inc >> Nabcep Certified PV Installer, >> Licensed Master Electrician >> Solar Design Engineer >> 303 505-8760 >> On 3/3/2015 7:30 AM, Bill Loesch wrote: >>> >>> Hi Brian, >>> >>> Great alternative and proven solution. Moreover, the sanitation aspect to >>> heat the water once per use all but eliminates the prospect of breeding >>> "bugs" in the stagnant warm water. It is my understanding that spas/hot >>> tubs that continuously reheat the same water need to have chemicals added >>> to keep them sanitary (at least that is the way it works here for a public >>> spa/hot tub). >>> >>> One other item, necessary to mention for all the rest of us not living in >>> the relatively mild CA/coastal climate-since the tankless stores no heated >>> water all tankless water heaters are subject to freezing conditions. Oh, >>> yes, one can take on Mother Nature and add electric heaters, anti-freezing >>> firing, etc. but for real world practicality, don't subject water to >>> freezing conditions. Solution: mount the tankless inside the heated >>> structure and run the hot tub line through a freeze protected faucet. >>> >>> Thanks for sharing, Brian, >>> Bill Loesch >>> Solar 1 - Saint Louis Solar >>> 314 631 1094 >>> On 02-Mar-15 1:15 PM, Brian Teitelbaum wrote: >>>> Hey Allan, >>>> >>>> For many years, my wife and I have been using an old 6’ long claw-foot tub >>>> as our hot tub on the mountain. The 6’ tub is large enough, but very cozy >>>> for two people. We just run straight hot water from our Aquastar propane >>>> water heater into it, which gets it very hot. It takes a little time to >>>> let it heat up the cast iron tub, which cools it down just enough for a >>>> great soak. It stays hot for a pretty long period of time, but If it gets >>>> too cool, we just run more hot water into it. >>>> >>>> Then we just use the gray water for garden irrigation the next day. No >>>> chemicals, filters, or electricity needed. >>>> >>>> Brian Teitelbaum >>>> AEE Solar >>>> >>>> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org >>>> <mailto:re-wrenches-boun...@lists.re-wrenches.org>] On Behalf Of Allan >>>> Sindelar >>>> Sent: Sunday, March 01, 2015 6:05 PM >>>> To: RE-wrenches >>>> Subject: [RE-wrenches] Chofu Hot Tub Heater >>>> >>>> Wrenches, >>>> I have an off grid client who wants a hot tub, and would prefer a propane >>>> heater rather than wood. The Chofu appears to be the only unit that >>>> doesn't require a circulation pump. He had located this on his own, but >>>> told me that "The propane fired, self igniting, hydrosiphoning Chofu is no >>>> longer available domestically. Seems the Japanese do not wish to export >>>> these to the USA anymore. I will keep looking as this was the most sane >>>> idea for the project and of course cheapest. Chofu listed on Island Hot >>>> Tub is currently unavailable. I talked to him a week ago and it sounded >>>> like there was no availability for the foreseeable future." >>>> >>>> Does anyone have a line on where one can be located before they're all >>>> gone? Or a good alternative? >>>> >>>> Thanks, Allan >>>> -- >>>> >>>> Allan Sindelar >>>> al...@sindelarsolar.com <mailto:al...@sindelarsolar.com> >>>> NABCEP Certified PV Installation Professional >>>> NABCEP Certified Technical Sales Professional >>>> New Mexico EE98J Journeyman Electrician >>>> Founder (Retired), Positive Energy, Inc. >>>> 505 780-2738 cell >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: RE-wrenches@lists.re-wrenches.org >>>> <mailto:RE-wrenches@lists.re-wrenches.org> >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> >>>> >>>> List-Archive: >>>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>>> >>>> <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> <http://www.re-wrenches.org/etiquette.htm> >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >>>> >>>> >>>> >>>> No virus found in this message. >>>> Checked by AVG - www.avg.com <http://www.avg.com/> >>>> Version: 2015.0.5646 / Virus Database: 4299/9212 - Release Date: 03/02/15 >>>> >>> >>> No virus found in this message. >>> Checked by AVG - www.avg.com <http://www.avg.com/> >>> Version: 2015.0.5646 / Virus Database: 4299/9217 - Release Date: 03/03/15 >>> >>> >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> <mailto:RE-wrenches@lists.re-wrenches.org> >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> >>> >>> List-Archive: >>> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >>> <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >>> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> <mailto:RE-wrenches@lists.re-wrenches.org> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > www.members.re-wrenches.org <http://www.members.re-wrenches.org/>
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