Liquid Solar Blanket

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chem geek
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Postby chem geek » Tue 17 Feb, 2009 20:34

There is more on this topic in this thread where patent 6,303,133 indicates that the preferred chemical is cetyl alcohol (1-hexadeconol). The isoproponol listed in the MSDS is simply a carrier and not the primary active substance which is just listed as an "organic surfactant" (5% of the product by weight).

Richard


Me...

Re: Liquid Solar Blanket

Postby Me... » Tue 24 Feb, 2009 11:13

Wow, ancient thread and I hate to resurrect it but .....

That product was invented right here where I live. In very the beginning it came in 45 gallon drums and you pumped it out into your containers to use. My biggest worry was if the product would interfere in any way with the equipment itself. It didn't and has proved to be a great product, not as good as an actual blanket, but it will save you substantial money over not using a blanket. And it comes or at least came in different flavors and of course names.

And it is alcohol based, hence the need to continually add it. The calibrated pump they use is an awesome way to feed it because you use something like an oz. for every 400 sq.ft., every night, after the pool closes. It bonds together on the surface and does its magic, so the more the surface is disturbed the less effective it is. Its always there, rising to the surface and rebonding.

The most dramatic effect I saw was starting about 2,000 sq.ft. outdoor pool on a winter night. The pool was really warm and there was so much steam you could hardly see across the pool. Poured some product in and you could just watch it crawl across the surface and stop the steam.
ryoung6179

Liquid Solar Blanket

Postby ryoung6179 » Sat 11 Apr, 2009 11:07

is there a problem working in a solar heater with the liquid blanket? I live in Ohio and was hoping those 2 products are compatable?
chem geek
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Liquid Solar Blanket

Postby chem geek » Sat 11 Apr, 2009 12:00

The product should be compatible with a standard solar heating system. It mostly stays on the surface of the water rather than circulate through (depending on your flow rate and whether you have a "funnel" effect in your skimmer).

The key to the product is that it is a long-chained alcohol so it has a hydrophilic alcohol end that sticks in the water and a hydrophobic long carbon-chain that sits at the water surface, all sticking up together crammed next to each other as a single molecule layer over the entire water surface. This inhibits water evaporation which therefore reduces heat loss. As Me... noted, it works best when the water is not disturbed, say by wind or by waterfalls, fountains, spillovers, etc.

Richard
redwun

Liquid Solar Blanket

Postby redwun » Wed 06 May, 2009 12:47

some of them are, IN fact the chemical composition is Isopropyl Alcohol aka rubbing alcohol 67-63-0 > 80% ,Isopropyl alcohol, Isopropanol, IPA, 2-Propanol, dimethyl carbinol,and the rest is fatty acid alcohol based .
basically mixed with a surfactant. Surfactants are wetting agents that lower the surface tension of a liquid, allowing easier spreading, and lower the interfacial tension between two liquids,lower evaporation.

heck you might try mineral oil or other way/oil mixed with it rub alcohol
Me...
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Liquid Solar Blanket

Postby Me... » Thu 07 May, 2009 08:31

Link to the real McCoy below. There are in fact clone products out there but they so far can't duplicate or match the original. It really is great stuff.

http://www.flexiblesolutions.com/products/heatsavr/
Aquaclear-NZ
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My Pool: ingound, 50,000L, gas heated, low energy pump and cartridge filter
Location: Auckland

Liquid Solar Blanket

Postby Aquaclear-NZ » Tue 12 May, 2009 15:17

we have sold it here for a couple of years, personal experience has been varied, depending on what way the wind is blowing at times
where we have had great results has been indoor pools, where the effects of evaporation can easily be seen on the walls and windows, this has virtually been eliminated
outdoor pools i have definitly had mixed results, the nylex product needs to be added daily for it to be any good, while i have had good results and feedback from the "solar pill"
Definitly not as good as a cover, but for pools where a cover is not aesthetically pleasing or impractical they do have some slight heat retention benefits
Chocolate fish do not swim in hot water
bichonab

Liquid Solar Cover

Postby bichonab » Wed 27 May, 2009 20:59

If liquid solar covers are NOT effected by pool chemistry and I Backwash from the bottom drain, why would I need to replace it....wouldn't one treatment be enough?
deathdealer_01

Liquid Solar Blanket

Postby deathdealer_01 » Sun 31 May, 2009 17:40

Hi, to the brainiac that posted that the ingredients can not be I.P.A. ( isopropyl alcohol ) the m.s.d.s. states that the solar fish is I.P.A. and that the balance is fatty alchohol.
What the I.P.A. does is it reduces the surface tension of the water here is a link
( wikipedia.org/wiki/Surface_tension - 148k -) now the trick is finding out your feed rate, percentage of I.P.A. to water per day. :evil:
deathdealer_01

Liquid Solar Cover

Postby deathdealer_01 » Sun 31 May, 2009 17:47

bichonab wrote:If liquid solar covers are NOT effected by pool chemistry and I Backwash from the bottom drain, why would I need to replace it....wouldn't one treatment be enough?

isopropyl alcohol evaporates faster than water, also it is very soluble in water so if you take water out you take out the isopropyl alcohol

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