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Teach Soap • View topic - microbial testing kit

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 Post subject: microbial testing kit
PostPosted: Sat Aug 16, 2014 1:09 pm 

Joined: Wed Dec 07, 2011 11:44 am
Posts: 98
has anyone tried the microbial testing kits made for home use?

I am testing my homemade face mask with a preservative tat i have used and after the third day I see mold growth on the testing strip. But the actual product itself is MOLD FREE. (looks like the first time i made it).

How accurate are these testing stips?


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PostPosted: Sat Aug 16, 2014 1:48 pm 
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Joined: Mon Jan 14, 2008 11:14 pm
Posts: 24336
Location: Mistress Of Lather
Microbial growth is in your product too, you just can't see it at this point. The testing kit has a medium that accelerates growth like sugar or agar. So what you see on the test is in your product. Please throw the product away. It's contaminated.

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Irena
Closed minds are like faulty parachutes; they refuse to open.


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PostPosted: Sat Aug 16, 2014 2:31 pm 

Joined: Wed Dec 07, 2011 11:44 am
Posts: 98
I definitely will throw it away. Do you think I should increase the preservative? I am trying out the Leucidal Liquid preservative in 2%.
Or does it have something to do with the utensils and bowls not being sterile before?

Just an FYI i do not sell, I am just having fun creating and testing products for my own enjoyment at home.


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PostPosted: Sat Aug 16, 2014 3:22 pm 
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I've tried Leucidal when it first became available. it failed testing too. Using more then what the manufacturer recommends can make the product irritating.

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Irena
Closed minds are like faulty parachutes; they refuse to open.


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PostPosted: Sat Sep 20, 2014 6:19 pm 
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Joined: Thu Sep 18, 2014 12:42 pm
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What are the most successful preservatives you've used?

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.:Shadows:.


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PostPosted: Sat Sep 20, 2014 8:17 pm 
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Location: Mistress Of Lather

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Irena
Closed minds are like faulty parachutes; they refuse to open.


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PostPosted: Mon Sep 22, 2014 9:02 am 
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Joined: Sat Dec 11, 2010 7:14 am
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Location: Jefferson City, TN
I use Liquid Germall Plus and Phenonip. After much research, I'm not concerned about parabens.

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Linda
I know the voices in my head aren't real, but they sure have some great ideas!



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