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Go Back   SailNet Community > On Board > Gear & Maintenance > Tea Tree Oil Recipe
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Topic Review (Newest First)
10-27-2013 05:01 PM
Delezynski
Re: Tea Tree Oil Recipe

Progress Report from this end.....

As I said I made about 6 or so ounces. The smell worked well for a time, then, in about one week the gel skimmed over and it stopped working. I removed the HARD layer and it was working once more. About a week went by, then another layer of HARD glass or plastic like skim. I peeled that off today and it's working but only a small amount remains. I also use one of the small battery reefer fans next to it. That may have speed up of the skimming. Next week I may try another idea with more oil in the mix and a different absorbent material. I have attached a photo of how it's looking today.

Disclaimer. We lived aboard full time in the San Francisco Bay area, cruised down through Mexico, and now have the boat on her trailer here in Az. In all that time we have had no mold to speak of. It may be due to living aboard or now the area we are at, so I can NOT attest to mold control of the oil!

Greg
10-15-2013 11:47 PM
Sabreman
Re: Tea Tree Oil Recipe

So far, my gelatin/tree tea oil mixture is holding up and not evaporating. Right now, I have 1/2 TBS to 2 cups of water and 4 gelatin packets. I think that the tea tree oil needs to be increased 4x and the gelatin halved.

I like the control experiment, so I'll do that with my next batch. There are a lot of moldy things in my daughter's room so that's a good lab.....
10-15-2013 10:39 PM
Delezynski
Re: Tea Tree Oil Recipe

I think I will do one experiment at a time.....

Greg
10-15-2013 10:25 PM
Minnewaska
Re: Tea Tree Oil Recipe

Hope it works.

Try it side by side with kanberra by putting each in a container with something that will quickly go moldy. See if they work the same. Use a control with no tea tree oil at all.
10-15-2013 10:17 PM
Delezynski
Re: Tea Tree Oil Recipe

Minnewaska,

I don't expect the gelatin to evaporate, just the moisture to come out of it.

If it works I will let ya know, if not, I have another idea. At any rate, I still have a lot of the oil left over for other usages.

Greg
10-15-2013 10:09 PM
Minnewaska
Re: Tea Tree Oil Recipe

I highly suspect that Kanberra is an emulsion, not gelatin. I don't see how gelatin will evaporate.
10-15-2013 09:45 PM
Delezynski
Re: Tea Tree Oil Recipe

Sabreman,

You got me thinking. So I am doing an experiment just now....

First I bought a small Kanberra Gel to see what it was like. Thanks, I like it.

Next, I decided to try to make something that might work. I bought a package of Knox gelatine (with 4 envelops) and a bottle of Tea Tree oil at a local wally world for under $8.00 total.

I have a few old plastic yogurt cups that hold about 6 Oz.

The Tea Tree oil will not mix with water, but will mix in alcohol. So in a cup I mixed an eye dropper of oil in about an once of rubbing alcohol and set that aside.

I then put about 1.5 Oz. Of room temp water in the plastic cup and slowly sprinkled in 1 envelop of the gelatin in it to wet it out.

I then got about 4 Ox. Of water boiling, and added that to the cup slowly and stirred it well. After a few min I added the oil & alcohol to the cup and stirred it well, then cover the cup with plastic wrap. I set it in the reefer for a few hours to set up.

I then took it out of the reefer (a few days ago) and put it in our garage here in Az. Over the last few days it did NOT turn back to a liquid as it was mixed so concentrated.

First – it smells NOTHING LIKE THE Kanberra! They must put a lot of other “smell good stuff” in it!!!

I took the top off and put it in the boat today. I'll report back in a week or so how it's going. I also have a couple of other ideas on how to do this.

Greg
10-04-2013 01:29 PM
pdqaltair
Re: Tea Tree Oil Recipe

If you really want to hurt your head, figure out how much you need and why.

* How much air will move thrugh the boat? Seal it up tight and you make condensation worse, ventilate too much and there won't be enough tea tree oil to do a thing.
* Minimum inhibiting concentration. Google it.
* Temperature sensativity of evaporation. Big affect.

I went through the calculations and it's like this; the manufacturer suggestion is rational, BUT it is very easy to be off by 10x if the temperature or ventilation rate is changed. In that case you might get a pretty smell but there is no chance what so ever that it was biologically effective, like not taking enough antibiotic. There is some discussion that low levels can develop super bugs... but they're always sayin' that.
10-04-2013 05:56 AM
Minnewaska
Re: Tea Tree Oil Recipe

For those attempting a home brew, I think the gel nature of the product is probably misleading some. From intuition, I'm thinking that tea tree oil itself won't just evaporate well and disperse all on its own. Otherwise, just leave a tin of it out and we're all set. It must require a dispersant that both mixes with the oil and evaporates at room temperature. Not too fast, but not too slow. The gel nature is likely the result of emulsifying those ingredients to keep them combined. While gelatin will solidify the mixture, I don't think that's the actual goal. Further, while it may give off tea tree oil odor, suggesting some evaporation, I would think gelatin will be more effective in retaining the oil than helping to disperse. Who knows, maybe the smallest amount of gelatin helps retain the emulsification and accounts for the pea sized remaining nugget in Kanberra. Although, I should say that in areas of higher air movement, ever bit of Kanberra evaporates. Only where air is still do I get the remaining pea.

Additionally, I suspect the quality and grade of oil matters. I can buy two different jalepenos, one will burn and the other won't. Depending on the source, one batch of home brew may work, while the next doesn't.

Anyway, I'm interested to hear how these recipes work.
10-03-2013 11:03 PM
pdqaltair
Re: Tea Tree Oil Recipe

Quote:
Originally Posted by Sabreman View Post
It's fun to try. Learn something about stuff that I didn't know before. Isn't about the money, just fun. The voyage of discovery....
Seems like why we sail, to me.
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