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John from Harrisburg, Pa writes

Is NyGuard IGR stronger or more concentrated than Archer IGR?

NyGuard is 10% pyridine and Archer is 1.3% pyridine. Which one is more effective? NyGuard comes in 140 ML and Archer comes in a pint(460 ML), however NyGuard is much more expensive.


Nyguard is sold in a more concentrated form, but you will dilute down to the same usage rate as the Archer if you follow the product label, .01-.03%. You will get the same results when using either product.

Answer last updated on: 07/27/2015

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