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<p>[QUOTE=&quot;Ce BCA, post: 4253509, member: 18716&quot;]No, and even if there were any merit you couldn&#039;t be sure of the accuracy of the ingredients in the bleach/vinegar.&nbsp; Test acids are tightly controlled to ensure an accurate result - there is only a slight difference between the strengths of the 9k and 10k test acids but they work effectively so you can tell the difference.[/QUOTE]</p><p><br /></p>

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