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Re: cds strength 21 Sep 2012 20:42 #23803

  • radio joe
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hello ,
Still learning
you mention 1mL of cds...how can one gather 1mL of the cds? is this not the gas that is produced by the activated mms? can you explain a lil please im just trying to get it right thanks

It's hard to tell, based on what you've given us.

To test for ppm, combine 1mL of CDS and 9mL of water. I use a shot glass. Dip your chlorine dioxide (not chlorine, not PH) testing strip into that 1:9 mixture as per the directions on the bottle. (I think it's 2 second dip, then 10 second wait, but go by the direction) - determine the strength by the color swatch on the testing strip bottle. Multiply that number by 10 and you will have your PPMs per liter

If the number is "off the scale" high, (i.e., the swatch turns black) you're going to have to redo the test with 1mL of CDS and 19mL of water. Then multiply THAT amount by 20 to get your ppm/L

JH has tried to standardize the CDS to around 3000 ppm/L - there the dosing is 1mL is equivalent to 3 drops of MMS. I usually end up with 6000 ppm/L, and my dosing is .5 mL ..

I, personally, have found that it's easier for me to adjust the size of my doses to equal 3 drops of MMS than to dilute the mixture to equal 3000 ppm/L.

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Re: cds strength 21 Sep 2012 22:28 #23813

  • pam
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To make CDS, you instill the chlorine dioxide gas into water. That gives it a measuring capacity. If you have a 3000 ppm/L of chlorine dioxide (that's what you need the testing strips for to find out what your ppm/L is), and you use 1mL of CDS, you have the equivalent of 3 drops of regular activated MMS.

Jim Humble has a YouTube on JimHumbleLive dated 2/9/2012 revised, as I recall, and he will show you how to make CDS "the old way" (which is actually the way I make it, because I make it in volume, but not in the volume someone who retails it would make) -- that will give you a clearer picture of how it is made, using a heat source for the MMS/CA mixture.

We've since played around on the forum here with several other ways to make CDS (it's always about combining MMS and CA and siphoning off the chlorine dioxide gas into water, regardless) -

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