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hi there, im new to this site, didnt know there was any thing like this. good to see there is. any way i recently moved over to making up a small tester batch of flash, used http://www.lab-reagents.com/index.asp for chemicals- hard to find them in the uk, well it was for me. the aluminum is 400 mesh so it says and the potassium perchlorate it technical grade. mixed the 70:30 mix i have read so much about. tested a small amont and there is nothing... so inserted a short amount of visco in to the tiny pile... nothing. can any one help with possible reasons why its not working. many thanks
dan
